Home / 14,358.24-19,816.20-8,070.60

Finding the Fourth Proportional to 14,358.24, 19,816.20 and 8,070.60

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Solution

The fourth proportional to 14,358.24, 19,816.20 and 8,070.60 is: 11,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.24 : 19,816.20 = 8,070.60 : x
  2. Step 2: Convert to fraction form
    14,358.24/19,816.20 = 8,070.60/x
  3. Step 3: Cross multiply
    14,358.24x = 19,816.20 × 8,070.60
  4. Step 4: Simplify right side
    14,358.24x = 159,928,623.72
  5. Step 5: Solve for x
    x = 159,928,623.72/14,358.24
  6. Step 6: Final answer
    x = 11,138.46

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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.