Home / 18,307.36-25,263.48-9,923.68

Finding the Fourth Proportional to 18,307.36, 25,263.48 and 9,923.68

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Solution

The fourth proportional to 18,307.36, 25,263.48 and 9,923.68 is: 13,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.36 : 25,263.48 = 9,923.68 : x
  2. Step 2: Convert to fraction form
    18,307.36/25,263.48 = 9,923.68/x
  3. Step 3: Cross multiply
    18,307.36x = 25,263.48 × 9,923.68
  4. Step 4: Simplify right side
    18,307.36x = 250,706,691.21
  5. Step 5: Solve for x
    x = 250,706,691.21/18,307.36
  6. Step 6: Final answer
    x = 13,694.31

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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.