Home / 18,277.72-25,223.22-9,894.22

Finding the Fourth Proportional to 18,277.72, 25,223.22 and 9,894.22

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Solution

The fourth proportional to 18,277.72, 25,223.22 and 9,894.22 is: 13,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.72 : 25,223.22 = 9,894.22 : x
  2. Step 2: Convert to fraction form
    18,277.72/25,223.22 = 9,894.22/x
  3. Step 3: Cross multiply
    18,277.72x = 25,223.22 × 9,894.22
  4. Step 4: Simplify right side
    18,277.72x = 249,564,024.73
  5. Step 5: Solve for x
    x = 249,564,024.73/18,277.72
  6. Step 6: Final answer
    x = 13,654.00

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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.