Home / 22,270.16-30,725.19-12,703.17

Finding the Fourth Proportional to 22,270.16, 30,725.19 and 12,703.17

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Solution

The fourth proportional to 22,270.16, 30,725.19 and 12,703.17 is: 17,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.16 : 30,725.19 = 12,703.17 : x
  2. Step 2: Convert to fraction form
    22,270.16/30,725.19 = 12,703.17/x
  3. Step 3: Cross multiply
    22,270.16x = 30,725.19 × 12,703.17
  4. Step 4: Simplify right side
    22,270.16x = 390,307,311.85
  5. Step 5: Solve for x
    x = 390,307,311.85/22,270.16
  6. Step 6: Final answer
    x = 17,526.02

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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.