Home / 15,766.65-23,612.72-13,255.65

Finding the Fourth Proportional to 15,766.65, 23,612.72 and 13,255.65

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Solution

The fourth proportional to 15,766.65, 23,612.72 and 13,255.65 is: 19,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.65 : 23,612.72 = 13,255.65 : x
  2. Step 2: Convert to fraction form
    15,766.65/23,612.72 = 13,255.65/x
  3. Step 3: Cross multiply
    15,766.65x = 23,612.72 × 13,255.65
  4. Step 4: Simplify right side
    15,766.65x = 313,001,885.59
  5. Step 5: Solve for x
    x = 313,001,885.59/15,766.65
  6. Step 6: Final answer
    x = 19,852.15

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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.