Home / 16,938.06-23,366.66-10,971.74

Finding the Fourth Proportional to 16,938.06, 23,366.66 and 10,971.74

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Solution

The fourth proportional to 16,938.06, 23,366.66 and 10,971.74 is: 15,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.06 : 23,366.66 = 10,971.74 : x
  2. Step 2: Convert to fraction form
    16,938.06/23,366.66 = 10,971.74/x
  3. Step 3: Cross multiply
    16,938.06x = 23,366.66 × 10,971.74
  4. Step 4: Simplify right side
    16,938.06x = 256,372,746.50
  5. Step 5: Solve for x
    x = 256,372,746.50/16,938.06
  6. Step 6: Final answer
    x = 15,135.90

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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.