Home / 22,695.24-31,314.27-13,740.84

Finding the Fourth Proportional to 22,695.24, 31,314.27 and 13,740.84

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Solution

The fourth proportional to 22,695.24, 31,314.27 and 13,740.84 is: 18,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.24 : 31,314.27 = 13,740.84 : x
  2. Step 2: Convert to fraction form
    22,695.24/31,314.27 = 13,740.84/x
  3. Step 3: Cross multiply
    22,695.24x = 31,314.27 × 13,740.84
  4. Step 4: Simplify right side
    22,695.24x = 430,284,386.67
  5. Step 5: Solve for x
    x = 430,284,386.67/22,695.24
  6. Step 6: Final answer
    x = 18,959.24

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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.