Home / 15,518.46-23,275.74-4,987.64

Finding the Fourth Proportional to 15,518.46, 23,275.74 and 4,987.64

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Solution

The fourth proportional to 15,518.46, 23,275.74 and 4,987.64 is: 7,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.46 : 23,275.74 = 4,987.64 : x
  2. Step 2: Convert to fraction form
    15,518.46/23,275.74 = 4,987.64/x
  3. Step 3: Cross multiply
    15,518.46x = 23,275.74 × 4,987.64
  4. Step 4: Simplify right side
    15,518.46x = 116,091,011.85
  5. Step 5: Solve for x
    x = 116,091,011.85/15,518.46
  6. Step 6: Final answer
    x = 7,480.83

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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.