Home / 14,995.11-20,693.13-8,281.19

Finding the Fourth Proportional to 14,995.11, 20,693.13 and 8,281.19

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Solution

The fourth proportional to 14,995.11, 20,693.13 and 8,281.19 is: 11,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.11 : 20,693.13 = 8,281.19 : x
  2. Step 2: Convert to fraction form
    14,995.11/20,693.13 = 8,281.19/x
  3. Step 3: Cross multiply
    14,995.11x = 20,693.13 × 8,281.19
  4. Step 4: Simplify right side
    14,995.11x = 171,363,741.22
  5. Step 5: Solve for x
    x = 171,363,741.22/14,995.11
  6. Step 6: Final answer
    x = 11,427.97

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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.