Home / 24,702.81-34,068.33-19,921.38

Finding the Fourth Proportional to 24,702.81, 34,068.33 and 19,921.38

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Solution

The fourth proportional to 24,702.81, 34,068.33 and 19,921.38 is: 27,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,702.81 : 34,068.33 = 19,921.38 : x
  2. Step 2: Convert to fraction form
    24,702.81/34,068.33 = 19,921.38/x
  3. Step 3: Cross multiply
    24,702.81x = 34,068.33 × 19,921.38
  4. Step 4: Simplify right side
    24,702.81x = 678,688,020.14
  5. Step 5: Solve for x
    x = 678,688,020.14/24,702.81
  6. Step 6: Final answer
    x = 27,474.13

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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.