Home / 18,277.19-25,222.30-10,319.75

Finding the Fourth Proportional to 18,277.19, 25,222.30 and 10,319.75

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Solution

The fourth proportional to 18,277.19, 25,222.30 and 10,319.75 is: 14,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.19 : 25,222.30 = 10,319.75 : x
  2. Step 2: Convert to fraction form
    18,277.19/25,222.30 = 10,319.75/x
  3. Step 3: Cross multiply
    18,277.19x = 25,222.30 × 10,319.75
  4. Step 4: Simplify right side
    18,277.19x = 260,287,678.51
  5. Step 5: Solve for x
    x = 260,287,678.51/18,277.19
  6. Step 6: Final answer
    x = 14,241.13

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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.