Home / 26,753.86-36,924.87-15,421.33

Finding the Fourth Proportional to 26,753.86, 36,924.87 and 15,421.33

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Solution

The fourth proportional to 26,753.86, 36,924.87 and 15,421.33 is: 21,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,753.86 : 36,924.87 = 15,421.33 : x
  2. Step 2: Convert to fraction form
    26,753.86/36,924.87 = 15,421.33/x
  3. Step 3: Cross multiply
    26,753.86x = 36,924.87 × 15,421.33
  4. Step 4: Simplify right side
    26,753.86x = 569,430,605.48
  5. Step 5: Solve for x
    x = 569,430,605.48/26,753.86
  6. Step 6: Final answer
    x = 21,284.05

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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.