Home / 13,931.48-20,882.52-4,569.05

Finding the Fourth Proportional to 13,931.48, 20,882.52 and 4,569.05

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Solution

The fourth proportional to 13,931.48, 20,882.52 and 4,569.05 is: 6,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.48 : 20,882.52 = 4,569.05 : x
  2. Step 2: Convert to fraction form
    13,931.48/20,882.52 = 4,569.05/x
  3. Step 3: Cross multiply
    13,931.48x = 20,882.52 × 4,569.05
  4. Step 4: Simplify right side
    13,931.48x = 95,413,278.01
  5. Step 5: Solve for x
    x = 95,413,278.01/13,931.48
  6. Step 6: Final answer
    x = 6,848.75

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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.