Home / 26,643.42-36,769.15-15,316.59

Finding the Fourth Proportional to 26,643.42, 36,769.15 and 15,316.59

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Solution

The fourth proportional to 26,643.42, 36,769.15 and 15,316.59 is: 21,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.42 : 36,769.15 = 15,316.59 : x
  2. Step 2: Convert to fraction form
    26,643.42/36,769.15 = 15,316.59/x
  3. Step 3: Cross multiply
    26,643.42x = 36,769.15 × 15,316.59
  4. Step 4: Simplify right side
    26,643.42x = 563,177,995.20
  5. Step 5: Solve for x
    x = 563,177,995.20/26,643.42
  6. Step 6: Final answer
    x = 21,137.60

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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.