Home / 38,835.60-58,253.54-11,818.21

Finding the Fourth Proportional to 38,835.60, 58,253.54 and 11,818.21

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Solution

The fourth proportional to 38,835.60, 58,253.54 and 11,818.21 is: 17,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.60 : 58,253.54 = 11,818.21 : x
  2. Step 2: Convert to fraction form
    38,835.60/58,253.54 = 11,818.21/x
  3. Step 3: Cross multiply
    38,835.60x = 58,253.54 × 11,818.21
  4. Step 4: Simplify right side
    38,835.60x = 688,452,218.60
  5. Step 5: Solve for x
    x = 688,452,218.60/38,835.60
  6. Step 6: Final answer
    x = 17,727.35

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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.