Home / 49,583.13-74,374.69-12,647.13

Finding the Fourth Proportional to 49,583.13, 74,374.69 and 12,647.13

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Solution

The fourth proportional to 49,583.13, 74,374.69 and 12,647.13 is: 18,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,583.13 : 74,374.69 = 12,647.13 : x
  2. Step 2: Convert to fraction form
    49,583.13/74,374.69 = 12,647.13/x
  3. Step 3: Cross multiply
    49,583.13x = 74,374.69 × 12,647.13
  4. Step 4: Simplify right side
    49,583.13x = 940,626,373.14
  5. Step 5: Solve for x
    x = 940,626,373.14/49,583.13
  6. Step 6: Final answer
    x = 18,970.69

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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.