Home / 15,561.65-21,468.24-10,524.02

Finding the Fourth Proportional to 15,561.65, 21,468.24 and 10,524.02

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Solution

The fourth proportional to 15,561.65, 21,468.24 and 10,524.02 is: 14,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.65 : 21,468.24 = 10,524.02 : x
  2. Step 2: Convert to fraction form
    15,561.65/21,468.24 = 10,524.02/x
  3. Step 3: Cross multiply
    15,561.65x = 21,468.24 × 10,524.02
  4. Step 4: Simplify right side
    15,561.65x = 225,932,079.78
  5. Step 5: Solve for x
    x = 225,932,079.78/15,561.65
  6. Step 6: Final answer
    x = 14,518.51

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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.