Home / 25,278.48-37,941-12,807.18

Finding the Fourth Proportional to 25,278.48, 37,941 and 12,807.18

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Solution

The fourth proportional to 25,278.48, 37,941 and 12,807.18 is: 19,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.48 : 37,941 = 12,807.18 : x
  2. Step 2: Convert to fraction form
    25,278.48/37,941 = 12,807.18/x
  3. Step 3: Cross multiply
    25,278.48x = 37,941 × 12,807.18
  4. Step 4: Simplify right side
    25,278.48x = 485,917,216.38
  5. Step 5: Solve for x
    x = 485,917,216.38/25,278.48
  6. Step 6: Final answer
    x = 19,222.56

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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.