Home / 22,419.17-30,938.67-12,347.84

Finding the Fourth Proportional to 22,419.17, 30,938.67 and 12,347.84

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Solution

The fourth proportional to 22,419.17, 30,938.67 and 12,347.84 is: 17,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.17 : 30,938.67 = 12,347.84 : x
  2. Step 2: Convert to fraction form
    22,419.17/30,938.67 = 12,347.84/x
  3. Step 3: Cross multiply
    22,419.17x = 30,938.67 × 12,347.84
  4. Step 4: Simplify right side
    22,419.17x = 382,025,746.97
  5. Step 5: Solve for x
    x = 382,025,746.97/22,419.17
  6. Step 6: Final answer
    x = 17,040.14

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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.