Home / 39,188.52-58,785.78-11,108.10

Finding the Fourth Proportional to 39,188.52, 58,785.78 and 11,108.10

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Solution

The fourth proportional to 39,188.52, 58,785.78 and 11,108.10 is: 16,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.52 : 58,785.78 = 11,108.10 : x
  2. Step 2: Convert to fraction form
    39,188.52/58,785.78 = 11,108.10/x
  3. Step 3: Cross multiply
    39,188.52x = 58,785.78 × 11,108.10
  4. Step 4: Simplify right side
    39,188.52x = 652,998,322.82
  5. Step 5: Solve for x
    x = 652,998,322.82/39,188.52
  6. Step 6: Final answer
    x = 16,663.00

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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.