Home / 15,240.65-22,831.40-11,230.76

Finding the Fourth Proportional to 15,240.65, 22,831.40 and 11,230.76

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Solution

The fourth proportional to 15,240.65, 22,831.40 and 11,230.76 is: 16,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.65 : 22,831.40 = 11,230.76 : x
  2. Step 2: Convert to fraction form
    15,240.65/22,831.40 = 11,230.76/x
  3. Step 3: Cross multiply
    15,240.65x = 22,831.40 × 11,230.76
  4. Step 4: Simplify right side
    15,240.65x = 256,413,963.22
  5. Step 5: Solve for x
    x = 256,413,963.22/15,240.65
  6. Step 6: Final answer
    x = 16,824.34

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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.