Home / 35,990.14-53,979.05-9,688.73

Finding the Fourth Proportional to 35,990.14, 53,979.05 and 9,688.73

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Solution

The fourth proportional to 35,990.14, 53,979.05 and 9,688.73 is: 14,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.14 : 53,979.05 = 9,688.73 : x
  2. Step 2: Convert to fraction form
    35,990.14/53,979.05 = 9,688.73/x
  3. Step 3: Cross multiply
    35,990.14x = 53,979.05 × 9,688.73
  4. Step 4: Simplify right side
    35,990.14x = 522,988,441.11
  5. Step 5: Solve for x
    x = 522,988,441.11/35,990.14
  6. Step 6: Final answer
    x = 14,531.44

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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.