Home / 25,158.32-34,718.84-13,828.86

Finding the Fourth Proportional to 25,158.32, 34,718.84 and 13,828.86

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Solution

The fourth proportional to 25,158.32, 34,718.84 and 13,828.86 is: 19,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.32 : 34,718.84 = 13,828.86 : x
  2. Step 2: Convert to fraction form
    25,158.32/34,718.84 = 13,828.86/x
  3. Step 3: Cross multiply
    25,158.32x = 34,718.84 × 13,828.86
  4. Step 4: Simplify right side
    25,158.32x = 480,121,921.54
  5. Step 5: Solve for x
    x = 480,121,921.54/25,158.32
  6. Step 6: Final answer
    x = 19,084.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.