Home / 18,873.60-26,047.02-11,320.22

Finding the Fourth Proportional to 18,873.60, 26,047.02 and 11,320.22

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Solution

The fourth proportional to 18,873.60, 26,047.02 and 11,320.22 is: 15,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.60 : 26,047.02 = 11,320.22 : x
  2. Step 2: Convert to fraction form
    18,873.60/26,047.02 = 11,320.22/x
  3. Step 3: Cross multiply
    18,873.60x = 26,047.02 × 11,320.22
  4. Step 4: Simplify right side
    18,873.60x = 294,857,996.74
  5. Step 5: Solve for x
    x = 294,857,996.74/18,873.60
  6. Step 6: Final answer
    x = 15,622.77

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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.