Home / 18,931.19-26,125.61-10,433.88

Finding the Fourth Proportional to 18,931.19, 26,125.61 and 10,433.88

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Solution

The fourth proportional to 18,931.19, 26,125.61 and 10,433.88 is: 14,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.19 : 26,125.61 = 10,433.88 : x
  2. Step 2: Convert to fraction form
    18,931.19/26,125.61 = 10,433.88/x
  3. Step 3: Cross multiply
    18,931.19x = 26,125.61 × 10,433.88
  4. Step 4: Simplify right side
    18,931.19x = 272,591,427.50
  5. Step 5: Solve for x
    x = 272,591,427.50/18,931.19
  6. Step 6: Final answer
    x = 14,399.07

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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.