Home / 23,470.59-32,389.84-12,715.68

Finding the Fourth Proportional to 23,470.59, 32,389.84 and 12,715.68

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Solution

The fourth proportional to 23,470.59, 32,389.84 and 12,715.68 is: 17,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,470.59 : 32,389.84 = 12,715.68 : x
  2. Step 2: Convert to fraction form
    23,470.59/32,389.84 = 12,715.68/x
  3. Step 3: Cross multiply
    23,470.59x = 32,389.84 × 12,715.68
  4. Step 4: Simplify right side
    23,470.59x = 411,858,978.05
  5. Step 5: Solve for x
    x = 411,858,978.05/23,470.59
  6. Step 6: Final answer
    x = 17,547.87

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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.