Home / 18,581.04-25,641-10,197.36

Finding the Fourth Proportional to 18,581.04, 25,641 and 10,197.36

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Solution

The fourth proportional to 18,581.04, 25,641 and 10,197.36 is: 14,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.04 : 25,641 = 10,197.36 : x
  2. Step 2: Convert to fraction form
    18,581.04/25,641 = 10,197.36/x
  3. Step 3: Cross multiply
    18,581.04x = 25,641 × 10,197.36
  4. Step 4: Simplify right side
    18,581.04x = 261,470,507.76
  5. Step 5: Solve for x
    x = 261,470,507.76/18,581.04
  6. Step 6: Final answer
    x = 14,071.90

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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.