Home / 15,543.99-23,307.77-11,394.15

Finding the Fourth Proportional to 15,543.99, 23,307.77 and 11,394.15

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Solution

The fourth proportional to 15,543.99, 23,307.77 and 11,394.15 is: 17,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.99 : 23,307.77 = 11,394.15 : x
  2. Step 2: Convert to fraction form
    15,543.99/23,307.77 = 11,394.15/x
  3. Step 3: Cross multiply
    15,543.99x = 23,307.77 × 11,394.15
  4. Step 4: Simplify right side
    15,543.99x = 265,572,170.57
  5. Step 5: Solve for x
    x = 265,572,170.57/15,543.99
  6. Step 6: Final answer
    x = 17,085.20

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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.