Home / 23,688.58-32,689.08-13,609.90

Finding the Fourth Proportional to 23,688.58, 32,689.08 and 13,609.90

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Solution

The fourth proportional to 23,688.58, 32,689.08 and 13,609.90 is: 18,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.58 : 32,689.08 = 13,609.90 : x
  2. Step 2: Convert to fraction form
    23,688.58/32,689.08 = 13,609.90/x
  3. Step 3: Cross multiply
    23,688.58x = 32,689.08 × 13,609.90
  4. Step 4: Simplify right side
    23,688.58x = 444,895,109.89
  5. Step 5: Solve for x
    x = 444,895,109.89/23,688.58
  6. Step 6: Final answer
    x = 18,781.00

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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.