Home / 15,999.03-22,068.38-9,711.41

Finding the Fourth Proportional to 15,999.03, 22,068.38 and 9,711.41

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Solution

The fourth proportional to 15,999.03, 22,068.38 and 9,711.41 is: 13,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.03 : 22,068.38 = 9,711.41 : x
  2. Step 2: Convert to fraction form
    15,999.03/22,068.38 = 9,711.41/x
  3. Step 3: Cross multiply
    15,999.03x = 22,068.38 × 9,711.41
  4. Step 4: Simplify right side
    15,999.03x = 214,315,000.15
  5. Step 5: Solve for x
    x = 214,315,000.15/15,999.03
  6. Step 6: Final answer
    x = 13,395.50

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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.