Home / 39,558.28-59,337.36-11,856.28

Finding the Fourth Proportional to 39,558.28, 59,337.36 and 11,856.28

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Solution

The fourth proportional to 39,558.28, 59,337.36 and 11,856.28 is: 17,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558.28 : 59,337.36 = 11,856.28 : x
  2. Step 2: Convert to fraction form
    39,558.28/59,337.36 = 11,856.28/x
  3. Step 3: Cross multiply
    39,558.28x = 59,337.36 × 11,856.28
  4. Step 4: Simplify right side
    39,558.28x = 703,520,354.62
  5. Step 5: Solve for x
    x = 703,520,354.62/39,558.28
  6. Step 6: Final answer
    x = 17,784.40

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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.