Home / 23,581.27-32,541.47-12,970.90

Finding the Fourth Proportional to 23,581.27, 32,541.47 and 12,970.90

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Solution

The fourth proportional to 23,581.27, 32,541.47 and 12,970.90 is: 17,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.27 : 32,541.47 = 12,970.90 : x
  2. Step 2: Convert to fraction form
    23,581.27/32,541.47 = 12,970.90/x
  3. Step 3: Cross multiply
    23,581.27x = 32,541.47 × 12,970.90
  4. Step 4: Simplify right side
    23,581.27x = 422,092,177.69
  5. Step 5: Solve for x
    x = 422,092,177.69/23,581.27
  6. Step 6: Final answer
    x = 17,899.47

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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.