Home / 13,567.20-18,718.56-7,597.92

Finding the Fourth Proportional to 13,567.20, 18,718.56 and 7,597.92

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Solution

The fourth proportional to 13,567.20, 18,718.56 and 7,597.92 is: 10,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.20 : 18,718.56 = 7,597.92 : x
  2. Step 2: Convert to fraction form
    13,567.20/18,718.56 = 7,597.92/x
  3. Step 3: Cross multiply
    13,567.20x = 18,718.56 × 7,597.92
  4. Step 4: Simplify right side
    13,567.20x = 142,222,121.40
  5. Step 5: Solve for x
    x = 142,222,121.40/13,567.20
  6. Step 6: Final answer
    x = 10,482.79

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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.