Home / 25,307.05-37,983.61-13,470.76

Finding the Fourth Proportional to 25,307.05, 37,983.61 and 13,470.76

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Solution

The fourth proportional to 25,307.05, 37,983.61 and 13,470.76 is: 20,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.05 : 37,983.61 = 13,470.76 : x
  2. Step 2: Convert to fraction form
    25,307.05/37,983.61 = 13,470.76/x
  3. Step 3: Cross multiply
    25,307.05x = 37,983.61 × 13,470.76
  4. Step 4: Simplify right side
    25,307.05x = 511,668,094.24
  5. Step 5: Solve for x
    x = 511,668,094.24/25,307.05
  6. Step 6: Final answer
    x = 20,218.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.