Home / 13,585.28-20,368.64-6,086.08

Finding the Fourth Proportional to 13,585.28, 20,368.64 and 6,086.08

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Solution

The fourth proportional to 13,585.28, 20,368.64 and 6,086.08 is: 9,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.28 : 20,368.64 = 6,086.08 : x
  2. Step 2: Convert to fraction form
    13,585.28/20,368.64 = 6,086.08/x
  3. Step 3: Cross multiply
    13,585.28x = 20,368.64 × 6,086.08
  4. Step 4: Simplify right side
    13,585.28x = 123,965,172.53
  5. Step 5: Solve for x
    x = 123,965,172.53/13,585.28
  6. Step 6: Final answer
    x = 9,124.96

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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.