Home / 22,754.20-31,388.41-14,254.50

Finding the Fourth Proportional to 22,754.20, 31,388.41 and 14,254.50

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Solution

The fourth proportional to 22,754.20, 31,388.41 and 14,254.50 is: 19,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,754.20 : 31,388.41 = 14,254.50 : x
  2. Step 2: Convert to fraction form
    22,754.20/31,388.41 = 14,254.50/x
  3. Step 3: Cross multiply
    22,754.20x = 31,388.41 × 14,254.50
  4. Step 4: Simplify right side
    22,754.20x = 447,426,090.35
  5. Step 5: Solve for x
    x = 447,426,090.35/22,754.20
  6. Step 6: Final answer
    x = 19,663.45

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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.