Home / 18,708.74-25,805.58-13,595.70

Finding the Fourth Proportional to 18,708.74, 25,805.58 and 13,595.70

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Solution

The fourth proportional to 18,708.74, 25,805.58 and 13,595.70 is: 18,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.74 : 25,805.58 = 13,595.70 : x
  2. Step 2: Convert to fraction form
    18,708.74/25,805.58 = 13,595.70/x
  3. Step 3: Cross multiply
    18,708.74x = 25,805.58 × 13,595.70
  4. Step 4: Simplify right side
    18,708.74x = 350,844,924.01
  5. Step 5: Solve for x
    x = 350,844,924.01/18,708.74
  6. Step 6: Final answer
    x = 18,753.00

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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.