Home / 18,750.09-25,875.09-10,366.59

Finding the Fourth Proportional to 18,750.09, 25,875.09 and 10,366.59

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Solution

The fourth proportional to 18,750.09, 25,875.09 and 10,366.59 is: 14,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.09 : 25,875.09 = 10,366.59 : x
  2. Step 2: Convert to fraction form
    18,750.09/25,875.09 = 10,366.59/x
  3. Step 3: Cross multiply
    18,750.09x = 25,875.09 × 10,366.59
  4. Step 4: Simplify right side
    18,750.09x = 268,236,449.24
  5. Step 5: Solve for x
    x = 268,236,449.24/18,750.09
  6. Step 6: Final answer
    x = 14,305.88

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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.