Home / 14,582.40-21,848.40-6,775.20

Finding the Fourth Proportional to 14,582.40, 21,848.40 and 6,775.20

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Solution

The fourth proportional to 14,582.40, 21,848.40 and 6,775.20 is: 10,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.40 : 21,848.40 = 6,775.20 : x
  2. Step 2: Convert to fraction form
    14,582.40/21,848.40 = 6,775.20/x
  3. Step 3: Cross multiply
    14,582.40x = 21,848.40 × 6,775.20
  4. Step 4: Simplify right side
    14,582.40x = 148,027,279.68
  5. Step 5: Solve for x
    x = 148,027,279.68/14,582.40
  6. Step 6: Final answer
    x = 10,151.09

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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.