Home / 55,817.28-83,695.68-18,368.64

Finding the Fourth Proportional to 55,817.28, 83,695.68 and 18,368.64

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Solution

The fourth proportional to 55,817.28, 83,695.68 and 18,368.64 is: 27,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,817.28 : 83,695.68 = 18,368.64 : x
  2. Step 2: Convert to fraction form
    55,817.28/83,695.68 = 18,368.64/x
  3. Step 3: Cross multiply
    55,817.28x = 83,695.68 × 18,368.64
  4. Step 4: Simplify right side
    55,817.28x = 1,537,375,815.48
  5. Step 5: Solve for x
    x = 1,537,375,815.48/55,817.28
  6. Step 6: Final answer
    x = 27,543.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.