Home / 26,653.47-39,966.23-13,312.17

Finding the Fourth Proportional to 26,653.47, 39,966.23 and 13,312.17

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Solution

The fourth proportional to 26,653.47, 39,966.23 and 13,312.17 is: 19,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.47 : 39,966.23 = 13,312.17 : x
  2. Step 2: Convert to fraction form
    26,653.47/39,966.23 = 13,312.17/x
  3. Step 3: Cross multiply
    26,653.47x = 39,966.23 × 13,312.17
  4. Step 4: Simplify right side
    26,653.47x = 532,037,181.46
  5. Step 5: Solve for x
    x = 532,037,181.46/26,653.47
  6. Step 6: Final answer
    x = 19,961.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.