Home / 14,410.60-21,551.10-12,077.80

Finding the Fourth Proportional to 14,410.60, 21,551.10 and 12,077.80

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Solution

The fourth proportional to 14,410.60, 21,551.10 and 12,077.80 is: 18,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.60 : 21,551.10 = 12,077.80 : x
  2. Step 2: Convert to fraction form
    14,410.60/21,551.10 = 12,077.80/x
  3. Step 3: Cross multiply
    14,410.60x = 21,551.10 × 12,077.80
  4. Step 4: Simplify right side
    14,410.60x = 260,289,875.58
  5. Step 5: Solve for x
    x = 260,289,875.58/14,410.60
  6. Step 6: Final answer
    x = 18,062.39

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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.