Home / 26,581.61-36,657.98-19,400.15

Finding the Fourth Proportional to 26,581.61, 36,657.98 and 19,400.15

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Solution

The fourth proportional to 26,581.61, 36,657.98 and 19,400.15 is: 26,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.61 : 36,657.98 = 19,400.15 : x
  2. Step 2: Convert to fraction form
    26,581.61/36,657.98 = 19,400.15/x
  3. Step 3: Cross multiply
    26,581.61x = 36,657.98 × 19,400.15
  4. Step 4: Simplify right side
    26,581.61x = 711,170,313.37
  5. Step 5: Solve for x
    x = 711,170,313.37/26,581.61
  6. Step 6: Final answer
    x = 26,754.22

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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.