Home / 18,298.95-27,433.80-7,203.57

Finding the Fourth Proportional to 18,298.95, 27,433.80 and 7,203.57

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Solution

The fourth proportional to 18,298.95, 27,433.80 and 7,203.57 is: 10,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.95 : 27,433.80 = 7,203.57 : x
  2. Step 2: Convert to fraction form
    18,298.95/27,433.80 = 7,203.57/x
  3. Step 3: Cross multiply
    18,298.95x = 27,433.80 × 7,203.57
  4. Step 4: Simplify right side
    18,298.95x = 197,621,298.67
  5. Step 5: Solve for x
    x = 197,621,298.67/18,298.95
  6. Step 6: Final answer
    x = 10,799.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.