Home / 13,363.65-20,047.29-5,570.64

Finding the Fourth Proportional to 13,363.65, 20,047.29 and 5,570.64

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Solution

The fourth proportional to 13,363.65, 20,047.29 and 5,570.64 is: 8,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.65 : 20,047.29 = 5,570.64 : x
  2. Step 2: Convert to fraction form
    13,363.65/20,047.29 = 5,570.64/x
  3. Step 3: Cross multiply
    13,363.65x = 20,047.29 × 5,570.64
  4. Step 4: Simplify right side
    13,363.65x = 111,676,235.57
  5. Step 5: Solve for x
    x = 111,676,235.57/13,363.65
  6. Step 6: Final answer
    x = 8,356.72

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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.