Home / 45,009.16-67,521.06-13,844.44

Finding the Fourth Proportional to 45,009.16, 67,521.06 and 13,844.44

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Solution

The fourth proportional to 45,009.16, 67,521.06 and 13,844.44 is: 20,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.16 : 67,521.06 = 13,844.44 : x
  2. Step 2: Convert to fraction form
    45,009.16/67,521.06 = 13,844.44/x
  3. Step 3: Cross multiply
    45,009.16x = 67,521.06 × 13,844.44
  4. Step 4: Simplify right side
    45,009.16x = 934,791,263.91
  5. Step 5: Solve for x
    x = 934,791,263.91/45,009.16
  6. Step 6: Final answer
    x = 20,768.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.