Home / 12,254.48-18,406.02-10,498.81

Finding the Fourth Proportional to 12,254.48, 18,406.02 and 10,498.81

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Solution

The fourth proportional to 12,254.48, 18,406.02 and 10,498.81 is: 15,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.48 : 18,406.02 = 10,498.81 : x
  2. Step 2: Convert to fraction form
    12,254.48/18,406.02 = 10,498.81/x
  3. Step 3: Cross multiply
    12,254.48x = 18,406.02 × 10,498.81
  4. Step 4: Simplify right side
    12,254.48x = 193,241,306.84
  5. Step 5: Solve for x
    x = 193,241,306.84/12,254.48
  6. Step 6: Final answer
    x = 15,769.03

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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.