Home / 26,642.88-36,762.98-15,310.18

Finding the Fourth Proportional to 26,642.88, 36,762.98 and 15,310.18

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Solution

The fourth proportional to 26,642.88, 36,762.98 and 15,310.18 is: 21,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.88 : 36,762.98 = 15,310.18 : x
  2. Step 2: Convert to fraction form
    26,642.88/36,762.98 = 15,310.18/x
  3. Step 3: Cross multiply
    26,642.88x = 36,762.98 × 15,310.18
  4. Step 4: Simplify right side
    26,642.88x = 562,847,841.14
  5. Step 5: Solve for x
    x = 562,847,841.14/26,642.88
  6. Step 6: Final answer
    x = 21,125.64

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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.