Home / 18,599.79-25,660.44-10,637.76

Finding the Fourth Proportional to 18,599.79, 25,660.44 and 10,637.76

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Solution

The fourth proportional to 18,599.79, 25,660.44 and 10,637.76 is: 14,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.79 : 25,660.44 = 10,637.76 : x
  2. Step 2: Convert to fraction form
    18,599.79/25,660.44 = 10,637.76/x
  3. Step 3: Cross multiply
    18,599.79x = 25,660.44 × 10,637.76
  4. Step 4: Simplify right side
    18,599.79x = 272,969,602.21
  5. Step 5: Solve for x
    x = 272,969,602.21/18,599.79
  6. Step 6: Final answer
    x = 14,675.95

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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.