Home / 25,374.72-38,061.36-11,347.68

Finding the Fourth Proportional to 25,374.72, 38,061.36 and 11,347.68

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Solution

The fourth proportional to 25,374.72, 38,061.36 and 11,347.68 is: 17,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.72 : 38,061.36 = 11,347.68 : x
  2. Step 2: Convert to fraction form
    25,374.72/38,061.36 = 11,347.68/x
  3. Step 3: Cross multiply
    25,374.72x = 38,061.36 × 11,347.68
  4. Step 4: Simplify right side
    25,374.72x = 431,908,133.64
  5. Step 5: Solve for x
    x = 431,908,133.64/25,374.72
  6. Step 6: Final answer
    x = 17,021.20

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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.