Home / 18,990.02-26,204.46-11,032.13

Finding the Fourth Proportional to 18,990.02, 26,204.46 and 11,032.13

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Solution

The fourth proportional to 18,990.02, 26,204.46 and 11,032.13 is: 15,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.02 : 26,204.46 = 11,032.13 : x
  2. Step 2: Convert to fraction form
    18,990.02/26,204.46 = 11,032.13/x
  3. Step 3: Cross multiply
    18,990.02x = 26,204.46 × 11,032.13
  4. Step 4: Simplify right side
    18,990.02x = 289,091,009.30
  5. Step 5: Solve for x
    x = 289,091,009.30/18,990.02
  6. Step 6: Final answer
    x = 15,223.31

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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.