Home / 15,560.42-21,448.27-10,522.80

Finding the Fourth Proportional to 15,560.42, 21,448.27 and 10,522.80

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Solution

The fourth proportional to 15,560.42, 21,448.27 and 10,522.80 is: 14,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.42 : 21,448.27 = 10,522.80 : x
  2. Step 2: Convert to fraction form
    15,560.42/21,448.27 = 10,522.80/x
  3. Step 3: Cross multiply
    15,560.42x = 21,448.27 × 10,522.80
  4. Step 4: Simplify right side
    15,560.42x = 225,695,868.71
  5. Step 5: Solve for x
    x = 225,695,868.71/15,560.42
  6. Step 6: Final answer
    x = 14,504.49

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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.