Home / 22,738.16-31,367.76-14,782.88

Finding the Fourth Proportional to 22,738.16, 31,367.76 and 14,782.88

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Solution

The fourth proportional to 22,738.16, 31,367.76 and 14,782.88 is: 20,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.16 : 31,367.76 = 14,782.88 : x
  2. Step 2: Convert to fraction form
    22,738.16/31,367.76 = 14,782.88/x
  3. Step 3: Cross multiply
    22,738.16x = 31,367.76 × 14,782.88
  4. Step 4: Simplify right side
    22,738.16x = 463,705,831.95
  5. Step 5: Solve for x
    x = 463,705,831.95/22,738.16
  6. Step 6: Final answer
    x = 20,393.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.