Home / 19,983.60-29,926.80-9,583.20

Finding the Fourth Proportional to 19,983.60, 29,926.80 and 9,583.20

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Solution

The fourth proportional to 19,983.60, 29,926.80 and 9,583.20 is: 14,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.60 : 29,926.80 = 9,583.20 : x
  2. Step 2: Convert to fraction form
    19,983.60/29,926.80 = 9,583.20/x
  3. Step 3: Cross multiply
    19,983.60x = 29,926.80 × 9,583.20
  4. Step 4: Simplify right side
    19,983.60x = 286,794,509.76
  5. Step 5: Solve for x
    x = 286,794,509.76/19,983.60
  6. Step 6: Final answer
    x = 14,351.49

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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.