Home / 25,222.08-37,856.46-12,750.90

Finding the Fourth Proportional to 25,222.08, 37,856.46 and 12,750.90

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Solution

The fourth proportional to 25,222.08, 37,856.46 and 12,750.90 is: 19,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.08 : 37,856.46 = 12,750.90 : x
  2. Step 2: Convert to fraction form
    25,222.08/37,856.46 = 12,750.90/x
  3. Step 3: Cross multiply
    25,222.08x = 37,856.46 × 12,750.90
  4. Step 4: Simplify right side
    25,222.08x = 482,703,935.81
  5. Step 5: Solve for x
    x = 482,703,935.81/25,222.08
  6. Step 6: Final answer
    x = 19,138.15

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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.