Home / 22,707.54-31,340.16-13,274.28

Finding the Fourth Proportional to 22,707.54, 31,340.16 and 13,274.28

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Solution

The fourth proportional to 22,707.54, 31,340.16 and 13,274.28 is: 18,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.54 : 31,340.16 = 13,274.28 : x
  2. Step 2: Convert to fraction form
    22,707.54/31,340.16 = 13,274.28/x
  3. Step 3: Cross multiply
    22,707.54x = 31,340.16 × 13,274.28
  4. Step 4: Simplify right side
    22,707.54x = 416,018,059.08
  5. Step 5: Solve for x
    x = 416,018,059.08/22,707.54
  6. Step 6: Final answer
    x = 18,320.70

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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.