Home / 15,766.07-21,756.88-8,596.06

Finding the Fourth Proportional to 15,766.07, 21,756.88 and 8,596.06

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Solution

The fourth proportional to 15,766.07, 21,756.88 and 8,596.06 is: 11,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.07 : 21,756.88 = 8,596.06 : x
  2. Step 2: Convert to fraction form
    15,766.07/21,756.88 = 8,596.06/x
  3. Step 3: Cross multiply
    15,766.07x = 21,756.88 × 8,596.06
  4. Step 4: Simplify right side
    15,766.07x = 187,023,445.89
  5. Step 5: Solve for x
    x = 187,023,445.89/15,766.07
  6. Step 6: Final answer
    x = 11,862.40

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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.