Home / 25,950.78-38,924.55-10,357.20

Finding the Fourth Proportional to 25,950.78, 38,924.55 and 10,357.20

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Solution

The fourth proportional to 25,950.78, 38,924.55 and 10,357.20 is: 15,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950.78 : 38,924.55 = 10,357.20 : x
  2. Step 2: Convert to fraction form
    25,950.78/38,924.55 = 10,357.20/x
  3. Step 3: Cross multiply
    25,950.78x = 38,924.55 × 10,357.20
  4. Step 4: Simplify right side
    25,950.78x = 403,149,349.26
  5. Step 5: Solve for x
    x = 403,149,349.26/25,950.78
  6. Step 6: Final answer
    x = 15,535.15

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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.