Home / 19,400.67-26,772.84-10,903.02

Finding the Fourth Proportional to 19,400.67, 26,772.84 and 10,903.02

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Solution

The fourth proportional to 19,400.67, 26,772.84 and 10,903.02 is: 15,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.67 : 26,772.84 = 10,903.02 : x
  2. Step 2: Convert to fraction form
    19,400.67/26,772.84 = 10,903.02/x
  3. Step 3: Cross multiply
    19,400.67x = 26,772.84 × 10,903.02
  4. Step 4: Simplify right side
    19,400.67x = 291,904,809.98
  5. Step 5: Solve for x
    x = 291,904,809.98/19,400.67
  6. Step 6: Final answer
    x = 15,046.12

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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.