Home / 24,840.78-34,280.42-13,510.38

Finding the Fourth Proportional to 24,840.78, 34,280.42 and 13,510.38

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Solution

The fourth proportional to 24,840.78, 34,280.42 and 13,510.38 is: 18,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,840.78 : 34,280.42 = 13,510.38 : x
  2. Step 2: Convert to fraction form
    24,840.78/34,280.42 = 13,510.38/x
  3. Step 3: Cross multiply
    24,840.78x = 34,280.42 × 13,510.38
  4. Step 4: Simplify right side
    24,840.78x = 463,141,500.76
  5. Step 5: Solve for x
    x = 463,141,500.76/24,840.78
  6. Step 6: Final answer
    x = 18,644.40

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Half scale
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Double scale
Find fourth proportional to 24,841.78, 34,281.80 and 13,511.38
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.