Home / 26,313.75-36,311.91-15,565.59

Finding the Fourth Proportional to 26,313.75, 36,311.91 and 15,565.59

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Solution

The fourth proportional to 26,313.75, 36,311.91 and 15,565.59 is: 21,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.75 : 36,311.91 = 15,565.59 : x
  2. Step 2: Convert to fraction form
    26,313.75/36,311.91 = 15,565.59/x
  3. Step 3: Cross multiply
    26,313.75x = 36,311.91 × 15,565.59
  4. Step 4: Simplify right side
    26,313.75x = 565,216,303.18
  5. Step 5: Solve for x
    x = 565,216,303.18/26,313.75
  6. Step 6: Final answer
    x = 21,479.88

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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.