Home / 18,254.74-25,191.54-9,871.24

Finding the Fourth Proportional to 18,254.74, 25,191.54 and 9,871.24

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Solution

The fourth proportional to 18,254.74, 25,191.54 and 9,871.24 is: 13,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.74 : 25,191.54 = 9,871.24 : x
  2. Step 2: Convert to fraction form
    18,254.74/25,191.54 = 9,871.24/x
  3. Step 3: Cross multiply
    18,254.74x = 25,191.54 × 9,871.24
  4. Step 4: Simplify right side
    18,254.74x = 248,671,674.33
  5. Step 5: Solve for x
    x = 248,671,674.33/18,254.74
  6. Step 6: Final answer
    x = 13,622.31

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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.