Home / 25,827.12-35,624.46-15,209.28

Finding the Fourth Proportional to 25,827.12, 35,624.46 and 15,209.28

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Solution

The fourth proportional to 25,827.12, 35,624.46 and 15,209.28 is: 20,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.12 : 35,624.46 = 15,209.28 : x
  2. Step 2: Convert to fraction form
    25,827.12/35,624.46 = 15,209.28/x
  3. Step 3: Cross multiply
    25,827.12x = 35,624.46 × 15,209.28
  4. Step 4: Simplify right side
    25,827.12x = 541,822,386.99
  5. Step 5: Solve for x
    x = 541,822,386.99/25,827.12
  6. Step 6: Final answer
    x = 20,978.82

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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.