Home / 14,748.72-20,360.56-9,716.16

Finding the Fourth Proportional to 14,748.72, 20,360.56 and 9,716.16

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Solution

The fourth proportional to 14,748.72, 20,360.56 and 9,716.16 is: 13,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.72 : 20,360.56 = 9,716.16 : x
  2. Step 2: Convert to fraction form
    14,748.72/20,360.56 = 9,716.16/x
  3. Step 3: Cross multiply
    14,748.72x = 20,360.56 × 9,716.16
  4. Step 4: Simplify right side
    14,748.72x = 197,826,458.65
  5. Step 5: Solve for x
    x = 197,826,458.65/14,748.72
  6. Step 6: Final answer
    x = 13,413.13

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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.