Home / 23,511.79-32,446.28-13,440.45

Finding the Fourth Proportional to 23,511.79, 32,446.28 and 13,440.45

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Solution

The fourth proportional to 23,511.79, 32,446.28 and 13,440.45 is: 18,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.79 : 32,446.28 = 13,440.45 : x
  2. Step 2: Convert to fraction form
    23,511.79/32,446.28 = 13,440.45/x
  3. Step 3: Cross multiply
    23,511.79x = 32,446.28 × 13,440.45
  4. Step 4: Simplify right side
    23,511.79x = 436,092,604.03
  5. Step 5: Solve for x
    x = 436,092,604.03/23,511.79
  6. Step 6: Final answer
    x = 18,547.83

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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.