Home / 18,267.19-25,208.72-9,883.69

Finding the Fourth Proportional to 18,267.19, 25,208.72 and 9,883.69

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Solution

The fourth proportional to 18,267.19, 25,208.72 and 9,883.69 is: 13,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.19 : 25,208.72 = 9,883.69 : x
  2. Step 2: Convert to fraction form
    18,267.19/25,208.72 = 9,883.69/x
  3. Step 3: Cross multiply
    18,267.19x = 25,208.72 × 9,883.69
  4. Step 4: Simplify right side
    18,267.19x = 249,155,135.46
  5. Step 5: Solve for x
    x = 249,155,135.46/18,267.19
  6. Step 6: Final answer
    x = 13,639.49

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Half scale
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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.