Home / 23,280.39-32,126.76-12,670.07

Finding the Fourth Proportional to 23,280.39, 32,126.76 and 12,670.07

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Solution

The fourth proportional to 23,280.39, 32,126.76 and 12,670.07 is: 17,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.39 : 32,126.76 = 12,670.07 : x
  2. Step 2: Convert to fraction form
    23,280.39/32,126.76 = 12,670.07/x
  3. Step 3: Cross multiply
    23,280.39x = 32,126.76 × 12,670.07
  4. Step 4: Simplify right side
    23,280.39x = 407,048,137.44
  5. Step 5: Solve for x
    x = 407,048,137.44/23,280.39
  6. Step 6: Final answer
    x = 17,484.59

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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.