Home / 25,239.35-34,828.89-15,165.92

Finding the Fourth Proportional to 25,239.35, 34,828.89 and 15,165.92

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Solution

The fourth proportional to 25,239.35, 34,828.89 and 15,165.92 is: 20,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,239.35 : 34,828.89 = 15,165.92 : x
  2. Step 2: Convert to fraction form
    25,239.35/34,828.89 = 15,165.92/x
  3. Step 3: Cross multiply
    25,239.35x = 34,828.89 × 15,165.92
  4. Step 4: Simplify right side
    25,239.35x = 528,211,985.28
  5. Step 5: Solve for x
    x = 528,211,985.28/25,239.35
  6. Step 6: Final answer
    x = 20,928.12

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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.