Home / 22,151.28-30,560.96-14,611.76

Finding the Fourth Proportional to 22,151.28, 30,560.96 and 14,611.76

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Solution

The fourth proportional to 22,151.28, 30,560.96 and 14,611.76 is: 20,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.28 : 30,560.96 = 14,611.76 : x
  2. Step 2: Convert to fraction form
    22,151.28/30,560.96 = 14,611.76/x
  3. Step 3: Cross multiply
    22,151.28x = 30,560.96 × 14,611.76
  4. Step 4: Simplify right side
    22,151.28x = 446,549,412.89
  5. Step 5: Solve for x
    x = 446,549,412.89/22,151.28
  6. Step 6: Final answer
    x = 20,159.08

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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.