Home / 13,552.80-18,700.20-7,583.52

Finding the Fourth Proportional to 13,552.80, 18,700.20 and 7,583.52

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Solution

The fourth proportional to 13,552.80, 18,700.20 and 7,583.52 is: 10,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.80 : 18,700.20 = 7,583.52 : x
  2. Step 2: Convert to fraction form
    13,552.80/18,700.20 = 7,583.52/x
  3. Step 3: Cross multiply
    13,552.80x = 18,700.20 × 7,583.52
  4. Step 4: Simplify right side
    13,552.80x = 141,813,340.70
  5. Step 5: Solve for x
    x = 141,813,340.70/13,552.80
  6. Step 6: Final answer
    x = 10,463.77

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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.