Home / 25,329.90-34,956.60-15,261.51

Finding the Fourth Proportional to 25,329.90, 34,956.60 and 15,261.51

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Solution

The fourth proportional to 25,329.90, 34,956.60 and 15,261.51 is: 21,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.90 : 34,956.60 = 15,261.51 : x
  2. Step 2: Convert to fraction form
    25,329.90/34,956.60 = 15,261.51/x
  3. Step 3: Cross multiply
    25,329.90x = 34,956.60 × 15,261.51
  4. Step 4: Simplify right side
    25,329.90x = 533,490,500.47
  5. Step 5: Solve for x
    x = 533,490,500.47/25,329.90
  6. Step 6: Final answer
    x = 21,061.69

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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.