Home / 29,191.08-40,284-16,615.92

Finding the Fourth Proportional to 29,191.08, 40,284 and 16,615.92

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Solution

The fourth proportional to 29,191.08, 40,284 and 16,615.92 is: 22,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.08 : 40,284 = 16,615.92 : x
  2. Step 2: Convert to fraction form
    29,191.08/40,284 = 16,615.92/x
  3. Step 3: Cross multiply
    29,191.08x = 40,284 × 16,615.92
  4. Step 4: Simplify right side
    29,191.08x = 669,355,721.28
  5. Step 5: Solve for x
    x = 669,355,721.28/29,191.08
  6. Step 6: Final answer
    x = 22,930.15

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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.