Home / 14,772.96-22,130.16-12,177.60

Finding the Fourth Proportional to 14,772.96, 22,130.16 and 12,177.60

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Solution

The fourth proportional to 14,772.96, 22,130.16 and 12,177.60 is: 18,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.96 : 22,130.16 = 12,177.60 : x
  2. Step 2: Convert to fraction form
    14,772.96/22,130.16 = 12,177.60/x
  3. Step 3: Cross multiply
    14,772.96x = 22,130.16 × 12,177.60
  4. Step 4: Simplify right side
    14,772.96x = 269,492,236.42
  5. Step 5: Solve for x
    x = 269,492,236.42/14,772.96
  6. Step 6: Final answer
    x = 18,242.26

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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.