Home / 25,288.76-37,904.88-9,478.58

Finding the Fourth Proportional to 25,288.76, 37,904.88 and 9,478.58

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Solution

The fourth proportional to 25,288.76, 37,904.88 and 9,478.58 is: 14,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.76 : 37,904.88 = 9,478.58 : x
  2. Step 2: Convert to fraction form
    25,288.76/37,904.88 = 9,478.58/x
  3. Step 3: Cross multiply
    25,288.76x = 37,904.88 × 9,478.58
  4. Step 4: Simplify right side
    25,288.76x = 359,284,437.47
  5. Step 5: Solve for x
    x = 359,284,437.47/25,288.76
  6. Step 6: Final answer
    x = 14,207.28

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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.