Home / 15,874.46-21,899.71-10,208.17

Finding the Fourth Proportional to 15,874.46, 21,899.71 and 10,208.17

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Solution

The fourth proportional to 15,874.46, 21,899.71 and 10,208.17 is: 14,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.46 : 21,899.71 = 10,208.17 : x
  2. Step 2: Convert to fraction form
    15,874.46/21,899.71 = 10,208.17/x
  3. Step 3: Cross multiply
    15,874.46x = 21,899.71 × 10,208.17
  4. Step 4: Simplify right side
    15,874.46x = 223,555,962.63
  5. Step 5: Solve for x
    x = 223,555,962.63/15,874.46
  6. Step 6: Final answer
    x = 14,082.74

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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.