Home / 22,124.80-30,527.28-13,515.52

Finding the Fourth Proportional to 22,124.80, 30,527.28 and 13,515.52

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Solution

The fourth proportional to 22,124.80, 30,527.28 and 13,515.52 is: 18,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.80 : 30,527.28 = 13,515.52 : x
  2. Step 2: Convert to fraction form
    22,124.80/30,527.28 = 13,515.52/x
  3. Step 3: Cross multiply
    22,124.80x = 30,527.28 × 13,515.52
  4. Step 4: Simplify right side
    22,124.80x = 412,592,063.39
  5. Step 5: Solve for x
    x = 412,592,063.39/22,124.80
  6. Step 6: Final answer
    x = 18,648.40

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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.