Home / 15,366.42-21,212.19-10,333.55

Finding the Fourth Proportional to 15,366.42, 21,212.19 and 10,333.55

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Solution

The fourth proportional to 15,366.42, 21,212.19 and 10,333.55 is: 14,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.42 : 21,212.19 = 10,333.55 : x
  2. Step 2: Convert to fraction form
    15,366.42/21,212.19 = 10,333.55/x
  3. Step 3: Cross multiply
    15,366.42x = 21,212.19 × 10,333.55
  4. Step 4: Simplify right side
    15,366.42x = 219,197,279.00
  5. Step 5: Solve for x
    x = 219,197,279.00/15,366.42
  6. Step 6: Final answer
    x = 14,264.69

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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.