Home / 15,524.06-21,427.89-14,730.44

Finding the Fourth Proportional to 15,524.06, 21,427.89 and 14,730.44

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Solution

The fourth proportional to 15,524.06, 21,427.89 and 14,730.44 is: 20,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.06 : 21,427.89 = 14,730.44 : x
  2. Step 2: Convert to fraction form
    15,524.06/21,427.89 = 14,730.44/x
  3. Step 3: Cross multiply
    15,524.06x = 21,427.89 × 14,730.44
  4. Step 4: Simplify right side
    15,524.06x = 315,642,247.97
  5. Step 5: Solve for x
    x = 315,642,247.97/15,524.06
  6. Step 6: Final answer
    x = 20,332.45

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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.