Home / 15,890.67-23,810.09-8,088.75

Finding the Fourth Proportional to 15,890.67, 23,810.09 and 8,088.75

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Solution

The fourth proportional to 15,890.67, 23,810.09 and 8,088.75 is: 12,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.67 : 23,810.09 = 8,088.75 : x
  2. Step 2: Convert to fraction form
    15,890.67/23,810.09 = 8,088.75/x
  3. Step 3: Cross multiply
    15,890.67x = 23,810.09 × 8,088.75
  4. Step 4: Simplify right side
    15,890.67x = 192,593,825.04
  5. Step 5: Solve for x
    x = 192,593,825.04/15,890.67
  6. Step 6: Final answer
    x = 12,119.93

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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.