Home / 26,330.94-36,333.45-15,718.50

Finding the Fourth Proportional to 26,330.94, 36,333.45 and 15,718.50

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Solution

The fourth proportional to 26,330.94, 36,333.45 and 15,718.50 is: 21,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.94 : 36,333.45 = 15,718.50 : x
  2. Step 2: Convert to fraction form
    26,330.94/36,333.45 = 15,718.50/x
  3. Step 3: Cross multiply
    26,330.94x = 36,333.45 × 15,718.50
  4. Step 4: Simplify right side
    26,330.94x = 571,107,333.83
  5. Step 5: Solve for x
    x = 571,107,333.83/26,330.94
  6. Step 6: Final answer
    x = 21,689.59

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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.