Home / 14,159.04-19,540.08-8,849.76

Finding the Fourth Proportional to 14,159.04, 19,540.08 and 8,849.76

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Solution

The fourth proportional to 14,159.04, 19,540.08 and 8,849.76 is: 12,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.04 : 19,540.08 = 8,849.76 : x
  2. Step 2: Convert to fraction form
    14,159.04/19,540.08 = 8,849.76/x
  3. Step 3: Cross multiply
    14,159.04x = 19,540.08 × 8,849.76
  4. Step 4: Simplify right side
    14,159.04x = 172,925,018.38
  5. Step 5: Solve for x
    x = 172,925,018.38/14,159.04
  6. Step 6: Final answer
    x = 12,213.05

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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.