Home / 14,618.60-21,931.54-4,230.36

Finding the Fourth Proportional to 14,618.60, 21,931.54 and 4,230.36

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Solution

The fourth proportional to 14,618.60, 21,931.54 and 4,230.36 is: 6,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.60 : 21,931.54 = 4,230.36 : x
  2. Step 2: Convert to fraction form
    14,618.60/21,931.54 = 4,230.36/x
  3. Step 3: Cross multiply
    14,618.60x = 21,931.54 × 4,230.36
  4. Step 4: Simplify right side
    14,618.60x = 92,778,309.55
  5. Step 5: Solve for x
    x = 92,778,309.55/14,618.60
  6. Step 6: Final answer
    x = 6,346.59

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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.