Home / 17,021.38-23,485.90-10,307.02

Finding the Fourth Proportional to 17,021.38, 23,485.90 and 10,307.02

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Solution

The fourth proportional to 17,021.38, 23,485.90 and 10,307.02 is: 14,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.38 : 23,485.90 = 10,307.02 : x
  2. Step 2: Convert to fraction form
    17,021.38/23,485.90 = 10,307.02/x
  3. Step 3: Cross multiply
    17,021.38x = 23,485.90 × 10,307.02
  4. Step 4: Simplify right side
    17,021.38x = 242,069,641.02
  5. Step 5: Solve for x
    x = 242,069,641.02/17,021.38
  6. Step 6: Final answer
    x = 14,221.51

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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.