Home / 18,277.75-25,223.30-9,894.25

Finding the Fourth Proportional to 18,277.75, 25,223.30 and 9,894.25

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Solution

The fourth proportional to 18,277.75, 25,223.30 and 9,894.25 is: 13,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.75 : 25,223.30 = 9,894.25 : x
  2. Step 2: Convert to fraction form
    18,277.75/25,223.30 = 9,894.25/x
  3. Step 3: Cross multiply
    18,277.75x = 25,223.30 × 9,894.25
  4. Step 4: Simplify right side
    18,277.75x = 249,565,655.19
  5. Step 5: Solve for x
    x = 249,565,655.19/18,277.75
  6. Step 6: Final answer
    x = 13,654.07

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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.