Home / 26,370.12-36,389.80-15,753.48

Finding the Fourth Proportional to 26,370.12, 36,389.80 and 15,753.48

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Solution

The fourth proportional to 26,370.12, 36,389.80 and 15,753.48 is: 21,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,370.12 : 36,389.80 = 15,753.48 : x
  2. Step 2: Convert to fraction form
    26,370.12/36,389.80 = 15,753.48/x
  3. Step 3: Cross multiply
    26,370.12x = 36,389.80 × 15,753.48
  4. Step 4: Simplify right side
    26,370.12x = 573,265,986.50
  5. Step 5: Solve for x
    x = 573,265,986.50/26,370.12
  6. Step 6: Final answer
    x = 21,739.23

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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.