Home / 23,501.64-32,432.32-12,891.36

Finding the Fourth Proportional to 23,501.64, 32,432.32 and 12,891.36

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Solution

The fourth proportional to 23,501.64, 32,432.32 and 12,891.36 is: 17,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,501.64 : 32,432.32 = 12,891.36 : x
  2. Step 2: Convert to fraction form
    23,501.64/32,432.32 = 12,891.36/x
  3. Step 3: Cross multiply
    23,501.64x = 32,432.32 × 12,891.36
  4. Step 4: Simplify right side
    23,501.64x = 418,096,712.76
  5. Step 5: Solve for x
    x = 418,096,712.76/23,501.64
  6. Step 6: Final answer
    x = 17,790.11

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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.