Home / 15,923.74-21,984.60-10,260.49

Finding the Fourth Proportional to 15,923.74, 21,984.60 and 10,260.49

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Solution

The fourth proportional to 15,923.74, 21,984.60 and 10,260.49 is: 14,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.74 : 21,984.60 = 10,260.49 : x
  2. Step 2: Convert to fraction form
    15,923.74/21,984.60 = 10,260.49/x
  3. Step 3: Cross multiply
    15,923.74x = 21,984.60 × 10,260.49
  4. Step 4: Simplify right side
    15,923.74x = 225,572,768.45
  5. Step 5: Solve for x
    x = 225,572,768.45/15,923.74
  6. Step 6: Final answer
    x = 14,165.82

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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.