Home / 22,680.89-31,303.51-14,612.28

Finding the Fourth Proportional to 22,680.89, 31,303.51 and 14,612.28

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Solution

The fourth proportional to 22,680.89, 31,303.51 and 14,612.28 is: 20,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.89 : 31,303.51 = 14,612.28 : x
  2. Step 2: Convert to fraction form
    22,680.89/31,303.51 = 14,612.28/x
  3. Step 3: Cross multiply
    22,680.89x = 31,303.51 × 14,612.28
  4. Step 4: Simplify right side
    22,680.89x = 457,415,616.57
  5. Step 5: Solve for x
    x = 457,415,616.57/22,680.89
  6. Step 6: Final answer
    x = 20,167.44

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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.