Home / 15,196.06-20,972.01-9,226.36

Finding the Fourth Proportional to 15,196.06, 20,972.01 and 9,226.36

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Solution

The fourth proportional to 15,196.06, 20,972.01 and 9,226.36 is: 12,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.06 : 20,972.01 = 9,226.36 : x
  2. Step 2: Convert to fraction form
    15,196.06/20,972.01 = 9,226.36/x
  3. Step 3: Cross multiply
    15,196.06x = 20,972.01 × 9,226.36
  4. Step 4: Simplify right side
    15,196.06x = 193,495,314.18
  5. Step 5: Solve for x
    x = 193,495,314.18/15,196.06
  6. Step 6: Final answer
    x = 12,733.26

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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.