Home / 26,645.99-36,772.65-15,319.15

Finding the Fourth Proportional to 26,645.99, 36,772.65 and 15,319.15

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Solution

The fourth proportional to 26,645.99, 36,772.65 and 15,319.15 is: 21,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.99 : 36,772.65 = 15,319.15 : x
  2. Step 2: Convert to fraction form
    26,645.99/36,772.65 = 15,319.15/x
  3. Step 3: Cross multiply
    26,645.99x = 36,772.65 × 15,319.15
  4. Step 4: Simplify right side
    26,645.99x = 563,325,649.32
  5. Step 5: Solve for x
    x = 563,325,649.32/26,645.99
  6. Step 6: Final answer
    x = 21,141.11

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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.