Home / 19,326.72-26,681.76-17,227.20

Finding the Fourth Proportional to 19,326.72, 26,681.76 and 17,227.20

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Solution

The fourth proportional to 19,326.72, 26,681.76 and 17,227.20 is: 23,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.72 : 26,681.76 = 17,227.20 : x
  2. Step 2: Convert to fraction form
    19,326.72/26,681.76 = 17,227.20/x
  3. Step 3: Cross multiply
    19,326.72x = 26,681.76 × 17,227.20
  4. Step 4: Simplify right side
    19,326.72x = 459,652,015.87
  5. Step 5: Solve for x
    x = 459,652,015.87/19,326.72
  6. Step 6: Final answer
    x = 23,783.24

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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.