Home / 22,236.40-30,686.07-14,281.66

Finding the Fourth Proportional to 22,236.40, 30,686.07 and 14,281.66

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Solution

The fourth proportional to 22,236.40, 30,686.07 and 14,281.66 is: 19,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.40 : 30,686.07 = 14,281.66 : x
  2. Step 2: Convert to fraction form
    22,236.40/30,686.07 = 14,281.66/x
  3. Step 3: Cross multiply
    22,236.40x = 30,686.07 × 14,281.66
  4. Step 4: Simplify right side
    22,236.40x = 438,248,018.48
  5. Step 5: Solve for x
    x = 438,248,018.48/22,236.40
  6. Step 6: Final answer
    x = 19,708.59

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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.