Home / 25,138.79-37,693.74-10,357.91

Finding the Fourth Proportional to 25,138.79, 37,693.74 and 10,357.91

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Solution

The fourth proportional to 25,138.79, 37,693.74 and 10,357.91 is: 15,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.79 : 37,693.74 = 10,357.91 : x
  2. Step 2: Convert to fraction form
    25,138.79/37,693.74 = 10,357.91/x
  3. Step 3: Cross multiply
    25,138.79x = 37,693.74 × 10,357.91
  4. Step 4: Simplify right side
    25,138.79x = 390,428,366.48
  5. Step 5: Solve for x
    x = 390,428,366.48/25,138.79
  6. Step 6: Final answer
    x = 15,530.91

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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.