Home / 18,307.13-25,263.88-9,923.63

Finding the Fourth Proportional to 18,307.13, 25,263.88 and 9,923.63

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Solution

The fourth proportional to 18,307.13, 25,263.88 and 9,923.63 is: 13,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.13 : 25,263.88 = 9,923.63 : x
  2. Step 2: Convert to fraction form
    18,307.13/25,263.88 = 9,923.63/x
  3. Step 3: Cross multiply
    18,307.13x = 25,263.88 × 9,923.63
  4. Step 4: Simplify right side
    18,307.13x = 250,709,284.71
  5. Step 5: Solve for x
    x = 250,709,284.71/18,307.13
  6. Step 6: Final answer
    x = 13,694.63

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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.