Home / 25,243.65-37,888.89-12,772.47

Finding the Fourth Proportional to 25,243.65, 37,888.89 and 12,772.47

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Solution

The fourth proportional to 25,243.65, 37,888.89 and 12,772.47 is: 19,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.65 : 37,888.89 = 12,772.47 : x
  2. Step 2: Convert to fraction form
    25,243.65/37,888.89 = 12,772.47/x
  3. Step 3: Cross multiply
    25,243.65x = 37,888.89 × 12,772.47
  4. Step 4: Simplify right side
    25,243.65x = 483,934,710.86
  5. Step 5: Solve for x
    x = 483,934,710.86/25,243.65
  6. Step 6: Final answer
    x = 19,170.55

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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.