Home / 14,475.64-19,966.90-11,486.76

Finding the Fourth Proportional to 14,475.64, 19,966.90 and 11,486.76

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Solution

The fourth proportional to 14,475.64, 19,966.90 and 11,486.76 is: 15,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.64 : 19,966.90 = 11,486.76 : x
  2. Step 2: Convert to fraction form
    14,475.64/19,966.90 = 11,486.76/x
  3. Step 3: Cross multiply
    14,475.64x = 19,966.90 × 11,486.76
  4. Step 4: Simplify right side
    14,475.64x = 229,354,988.24
  5. Step 5: Solve for x
    x = 229,354,988.24/14,475.64
  6. Step 6: Final answer
    x = 15,844.20

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Double scale
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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.