Home / 14,154.18-21,239.19-5,840.34

Finding the Fourth Proportional to 14,154.18, 21,239.19 and 5,840.34

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Solution

The fourth proportional to 14,154.18, 21,239.19 and 5,840.34 is: 8,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.18 : 21,239.19 = 5,840.34 : x
  2. Step 2: Convert to fraction form
    14,154.18/21,239.19 = 5,840.34/x
  3. Step 3: Cross multiply
    14,154.18x = 21,239.19 × 5,840.34
  4. Step 4: Simplify right side
    14,154.18x = 124,044,090.92
  5. Step 5: Solve for x
    x = 124,044,090.92/14,154.18
  6. Step 6: Final answer
    x = 8,763.78

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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.