Home / 14,465.36-19,962.20-8,177.68

Finding the Fourth Proportional to 14,465.36, 19,962.20 and 8,177.68

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Solution

The fourth proportional to 14,465.36, 19,962.20 and 8,177.68 is: 11,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.36 : 19,962.20 = 8,177.68 : x
  2. Step 2: Convert to fraction form
    14,465.36/19,962.20 = 8,177.68/x
  3. Step 3: Cross multiply
    14,465.36x = 19,962.20 × 8,177.68
  4. Step 4: Simplify right side
    14,465.36x = 163,244,483.70
  5. Step 5: Solve for x
    x = 163,244,483.70/14,465.36
  6. Step 6: Final answer
    x = 11,285.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.