Home / 13,432.28-18,528.18-9,233.24

Finding the Fourth Proportional to 13,432.28, 18,528.18 and 9,233.24

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Solution

The fourth proportional to 13,432.28, 18,528.18 and 9,233.24 is: 12,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.28 : 18,528.18 = 9,233.24 : x
  2. Step 2: Convert to fraction form
    13,432.28/18,528.18 = 9,233.24/x
  3. Step 3: Cross multiply
    13,432.28x = 18,528.18 × 9,233.24
  4. Step 4: Simplify right side
    13,432.28x = 171,075,132.70
  5. Step 5: Solve for x
    x = 171,075,132.70/13,432.28
  6. Step 6: Final answer
    x = 12,736.12

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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.