Home / 28,061.30-42,062.35-9,336.33

Finding the Fourth Proportional to 28,061.30, 42,062.35 and 9,336.33

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Solution

The fourth proportional to 28,061.30, 42,062.35 and 9,336.33 is: 13,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.30 : 42,062.35 = 9,336.33 : x
  2. Step 2: Convert to fraction form
    28,061.30/42,062.35 = 9,336.33/x
  3. Step 3: Cross multiply
    28,061.30x = 42,062.35 × 9,336.33
  4. Step 4: Simplify right side
    28,061.30x = 392,707,980.18
  5. Step 5: Solve for x
    x = 392,707,980.18/28,061.30
  6. Step 6: Final answer
    x = 13,994.65

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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.