Home / 22,176.75-30,603.93-12,747.15

Finding the Fourth Proportional to 22,176.75, 30,603.93 and 12,747.15

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Solution

The fourth proportional to 22,176.75, 30,603.93 and 12,747.15 is: 17,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.75 : 30,603.93 = 12,747.15 : x
  2. Step 2: Convert to fraction form
    22,176.75/30,603.93 = 12,747.15/x
  3. Step 3: Cross multiply
    22,176.75x = 30,603.93 × 12,747.15
  4. Step 4: Simplify right side
    22,176.75x = 390,112,886.30
  5. Step 5: Solve for x
    x = 390,112,886.30/22,176.75
  6. Step 6: Final answer
    x = 17,591.08

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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.