Home / 13,585.11-20,363.28-4,570.64

Finding the Fourth Proportional to 13,585.11, 20,363.28 and 4,570.64

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Solution

The fourth proportional to 13,585.11, 20,363.28 and 4,570.64 is: 6,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.11 : 20,363.28 = 4,570.64 : x
  2. Step 2: Convert to fraction form
    13,585.11/20,363.28 = 4,570.64/x
  3. Step 3: Cross multiply
    13,585.11x = 20,363.28 × 4,570.64
  4. Step 4: Simplify right side
    13,585.11x = 93,073,222.10
  5. Step 5: Solve for x
    x = 93,073,222.10/13,585.11
  6. Step 6: Final answer
    x = 6,851.12

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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.