Home / 18,718.02-25,833.20-12,001.19

Finding the Fourth Proportional to 18,718.02, 25,833.20 and 12,001.19

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Solution

The fourth proportional to 18,718.02, 25,833.20 and 12,001.19 is: 16,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.02 : 25,833.20 = 12,001.19 : x
  2. Step 2: Convert to fraction form
    18,718.02/25,833.20 = 12,001.19/x
  3. Step 3: Cross multiply
    18,718.02x = 25,833.20 × 12,001.19
  4. Step 4: Simplify right side
    18,718.02x = 310,028,952.34
  5. Step 5: Solve for x
    x = 310,028,952.34/18,718.02
  6. Step 6: Final answer
    x = 16,563.13

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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.