Home / 15,615.75-23,409.72-5,752.65

Finding the Fourth Proportional to 15,615.75, 23,409.72 and 5,752.65

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Solution

The fourth proportional to 15,615.75, 23,409.72 and 5,752.65 is: 8,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.75 : 23,409.72 = 5,752.65 : x
  2. Step 2: Convert to fraction form
    15,615.75/23,409.72 = 5,752.65/x
  3. Step 3: Cross multiply
    15,615.75x = 23,409.72 × 5,752.65
  4. Step 4: Simplify right side
    15,615.75x = 134,667,925.76
  5. Step 5: Solve for x
    x = 134,667,925.76/15,615.75
  6. Step 6: Final answer
    x = 8,623.85

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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.