Home / 25,439.19-38,158.74-9,856.77

Finding the Fourth Proportional to 25,439.19, 38,158.74 and 9,856.77

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Solution

The fourth proportional to 25,439.19, 38,158.74 and 9,856.77 is: 14,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.19 : 38,158.74 = 9,856.77 : x
  2. Step 2: Convert to fraction form
    25,439.19/38,158.74 = 9,856.77/x
  3. Step 3: Cross multiply
    25,439.19x = 38,158.74 × 9,856.77
  4. Step 4: Simplify right side
    25,439.19x = 376,121,923.67
  5. Step 5: Solve for x
    x = 376,121,923.67/25,439.19
  6. Step 6: Final answer
    x = 14,785.14

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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.