Home / 13,737.16-20,572.26-7,153.48

Finding the Fourth Proportional to 13,737.16, 20,572.26 and 7,153.48

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Solution

The fourth proportional to 13,737.16, 20,572.26 and 7,153.48 is: 10,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.16 : 20,572.26 = 7,153.48 : x
  2. Step 2: Convert to fraction form
    13,737.16/20,572.26 = 7,153.48/x
  3. Step 3: Cross multiply
    13,737.16x = 20,572.26 × 7,153.48
  4. Step 4: Simplify right side
    13,737.16x = 147,163,250.46
  5. Step 5: Solve for x
    x = 147,163,250.46/13,737.16
  6. Step 6: Final answer
    x = 10,712.79

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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.