Home / 13,526.38-20,282.28-4,754.69

Finding the Fourth Proportional to 13,526.38, 20,282.28 and 4,754.69

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Solution

The fourth proportional to 13,526.38, 20,282.28 and 4,754.69 is: 7,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.38 : 20,282.28 = 4,754.69 : x
  2. Step 2: Convert to fraction form
    13,526.38/20,282.28 = 4,754.69/x
  3. Step 3: Cross multiply
    13,526.38x = 20,282.28 × 4,754.69
  4. Step 4: Simplify right side
    13,526.38x = 96,435,953.89
  5. Step 5: Solve for x
    x = 96,435,953.89/13,526.38
  6. Step 6: Final answer
    x = 7,129.47

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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.