Home / 15,759.39-23,632.59-6,988.15

Finding the Fourth Proportional to 15,759.39, 23,632.59 and 6,988.15

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Solution

The fourth proportional to 15,759.39, 23,632.59 and 6,988.15 is: 10,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.39 : 23,632.59 = 6,988.15 : x
  2. Step 2: Convert to fraction form
    15,759.39/23,632.59 = 6,988.15/x
  3. Step 3: Cross multiply
    15,759.39x = 23,632.59 × 6,988.15
  4. Step 4: Simplify right side
    15,759.39x = 165,148,014.13
  5. Step 5: Solve for x
    x = 165,148,014.13/15,759.39
  6. Step 6: Final answer
    x = 10,479.34

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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.