Home / 53,964.14-80,946.30-14,520.20

Finding the Fourth Proportional to 53,964.14, 80,946.30 and 14,520.20

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Solution

The fourth proportional to 53,964.14, 80,946.30 and 14,520.20 is: 21,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.14 : 80,946.30 = 14,520.20 : x
  2. Step 2: Convert to fraction form
    53,964.14/80,946.30 = 14,520.20/x
  3. Step 3: Cross multiply
    53,964.14x = 80,946.30 × 14,520.20
  4. Step 4: Simplify right side
    53,964.14x = 1,175,356,465.26
  5. Step 5: Solve for x
    x = 1,175,356,465.26/53,964.14
  6. Step 6: Final answer
    x = 21,780.32

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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.