Home / 25,359.93-34,995.17-15,291.63

Finding the Fourth Proportional to 25,359.93, 34,995.17 and 15,291.63

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Solution

The fourth proportional to 25,359.93, 34,995.17 and 15,291.63 is: 21,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.93 : 34,995.17 = 15,291.63 : x
  2. Step 2: Convert to fraction form
    25,359.93/34,995.17 = 15,291.63/x
  3. Step 3: Cross multiply
    25,359.93x = 34,995.17 × 15,291.63
  4. Step 4: Simplify right side
    25,359.93x = 535,133,229.66
  5. Step 5: Solve for x
    x = 535,133,229.66/25,359.93
  6. Step 6: Final answer
    x = 21,101.53

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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.