Home / 26,598.80-36,718.44-18,947

Finding the Fourth Proportional to 26,598.80, 36,718.44 and 18,947

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Solution

The fourth proportional to 26,598.80, 36,718.44 and 18,947 is: 26,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,598.80 : 36,718.44 = 18,947 : x
  2. Step 2: Convert to fraction form
    26,598.80/36,718.44 = 18,947/x
  3. Step 3: Cross multiply
    26,598.80x = 36,718.44 × 18,947
  4. Step 4: Simplify right side
    26,598.80x = 695,704,282.68
  5. Step 5: Solve for x
    x = 695,704,282.68/26,598.80
  6. Step 6: Final answer
    x = 26,155.48

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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.