Home / 28,482.03-39,302.55-16,545.20

Finding the Fourth Proportional to 28,482.03, 39,302.55 and 16,545.20

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Solution

The fourth proportional to 28,482.03, 39,302.55 and 16,545.20 is: 22,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.03 : 39,302.55 = 16,545.20 : x
  2. Step 2: Convert to fraction form
    28,482.03/39,302.55 = 16,545.20/x
  3. Step 3: Cross multiply
    28,482.03x = 39,302.55 × 16,545.20
  4. Step 4: Simplify right side
    28,482.03x = 650,268,353.75
  5. Step 5: Solve for x
    x = 650,268,353.75/28,482.03
  6. Step 6: Final answer
    x = 22,830.83

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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.