Home / 15,981.16-22,026.18-10,667.56

Finding the Fourth Proportional to 15,981.16, 22,026.18 and 10,667.56

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Solution

The fourth proportional to 15,981.16, 22,026.18 and 10,667.56 is: 14,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.16 : 22,026.18 = 10,667.56 : x
  2. Step 2: Convert to fraction form
    15,981.16/22,026.18 = 10,667.56/x
  3. Step 3: Cross multiply
    15,981.16x = 22,026.18 × 10,667.56
  4. Step 4: Simplify right side
    15,981.16x = 234,965,596.72
  5. Step 5: Solve for x
    x = 234,965,596.72/15,981.16
  6. Step 6: Final answer
    x = 14,702.66

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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.