Home / 14,585.81-20,128.52-8,298.19

Finding the Fourth Proportional to 14,585.81, 20,128.52 and 8,298.19

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Solution

The fourth proportional to 14,585.81, 20,128.52 and 8,298.19 is: 11,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.81 : 20,128.52 = 8,298.19 : x
  2. Step 2: Convert to fraction form
    14,585.81/20,128.52 = 8,298.19/x
  3. Step 3: Cross multiply
    14,585.81x = 20,128.52 × 8,298.19
  4. Step 4: Simplify right side
    14,585.81x = 167,030,253.80
  5. Step 5: Solve for x
    x = 167,030,253.80/14,585.81
  6. Step 6: Final answer
    x = 11,451.56

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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.