Home / 39,717.12-59,585.52-12,015.12

Finding the Fourth Proportional to 39,717.12, 59,585.52 and 12,015.12

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Solution

The fourth proportional to 39,717.12, 59,585.52 and 12,015.12 is: 18,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.12 : 59,585.52 = 12,015.12 : x
  2. Step 2: Convert to fraction form
    39,717.12/59,585.52 = 12,015.12/x
  3. Step 3: Cross multiply
    39,717.12x = 59,585.52 × 12,015.12
  4. Step 4: Simplify right side
    39,717.12x = 715,927,173.06
  5. Step 5: Solve for x
    x = 715,927,173.06/39,717.12
  6. Step 6: Final answer
    x = 18,025.66

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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.