Home / 25,120.52-34,666.33-15,054.80

Finding the Fourth Proportional to 25,120.52, 34,666.33 and 15,054.80

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Solution

The fourth proportional to 25,120.52, 34,666.33 and 15,054.80 is: 20,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.52 : 34,666.33 = 15,054.80 : x
  2. Step 2: Convert to fraction form
    25,120.52/34,666.33 = 15,054.80/x
  3. Step 3: Cross multiply
    25,120.52x = 34,666.33 × 15,054.80
  4. Step 4: Simplify right side
    25,120.52x = 521,894,838.15
  5. Step 5: Solve for x
    x = 521,894,838.15/25,120.52
  6. Step 6: Final answer
    x = 20,775.64

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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.