Home / 28,901.30-39,884.54-16,154.10

Finding the Fourth Proportional to 28,901.30, 39,884.54 and 16,154.10

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Solution

The fourth proportional to 28,901.30, 39,884.54 and 16,154.10 is: 22,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.30 : 39,884.54 = 16,154.10 : x
  2. Step 2: Convert to fraction form
    28,901.30/39,884.54 = 16,154.10/x
  3. Step 3: Cross multiply
    28,901.30x = 39,884.54 × 16,154.10
  4. Step 4: Simplify right side
    28,901.30x = 644,298,766.84
  5. Step 5: Solve for x
    x = 644,298,766.84/28,901.30
  6. Step 6: Final answer
    x = 22,293.08

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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.