Home / 14,889.95-20,548.14-8,175.74

Finding the Fourth Proportional to 14,889.95, 20,548.14 and 8,175.74

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Solution

The fourth proportional to 14,889.95, 20,548.14 and 8,175.74 is: 11,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.95 : 20,548.14 = 8,175.74 : x
  2. Step 2: Convert to fraction form
    14,889.95/20,548.14 = 8,175.74/x
  3. Step 3: Cross multiply
    14,889.95x = 20,548.14 × 8,175.74
  4. Step 4: Simplify right side
    14,889.95x = 167,996,301.49
  5. Step 5: Solve for x
    x = 167,996,301.49/14,889.95
  6. Step 6: Final answer
    x = 11,282.53

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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.