Home / 22,629.78-31,210.11-14,564.70

Finding the Fourth Proportional to 22,629.78, 31,210.11 and 14,564.70

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Solution

The fourth proportional to 22,629.78, 31,210.11 and 14,564.70 is: 20,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.78 : 31,210.11 = 14,564.70 : x
  2. Step 2: Convert to fraction form
    22,629.78/31,210.11 = 14,564.70/x
  3. Step 3: Cross multiply
    22,629.78x = 31,210.11 × 14,564.70
  4. Step 4: Simplify right side
    22,629.78x = 454,565,889.12
  5. Step 5: Solve for x
    x = 454,565,889.12/22,629.78
  6. Step 6: Final answer
    x = 20,087.07

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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.