Home / 22,605.00-31,195.28-12,533.86

Finding the Fourth Proportional to 22,605.00, 31,195.28 and 12,533.86

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Solution

The fourth proportional to 22,605.00, 31,195.28 and 12,533.86 is: 17,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.00 : 31,195.28 = 12,533.86 : x
  2. Step 2: Convert to fraction form
    22,605.00/31,195.28 = 12,533.86/x
  3. Step 3: Cross multiply
    22,605.00x = 31,195.28 × 12,533.86
  4. Step 4: Simplify right side
    22,605.00x = 390,997,359.74
  5. Step 5: Solve for x
    x = 390,997,359.74/22,605.00
  6. Step 6: Final answer
    x = 17,296.94

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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.