Home / 21,543.86-32,282.79-14,497.76

Finding the Fourth Proportional to 21,543.86, 32,282.79 and 14,497.76

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Solution

The fourth proportional to 21,543.86, 32,282.79 and 14,497.76 is: 21,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.86 : 32,282.79 = 14,497.76 : x
  2. Step 2: Convert to fraction form
    21,543.86/32,282.79 = 14,497.76/x
  3. Step 3: Cross multiply
    21,543.86x = 32,282.79 × 14,497.76
  4. Step 4: Simplify right side
    21,543.86x = 468,028,141.55
  5. Step 5: Solve for x
    x = 468,028,141.55/21,543.86
  6. Step 6: Final answer
    x = 21,724.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.