Home / 19,476.15-26,884.22-13,017.21

Finding the Fourth Proportional to 19,476.15, 26,884.22 and 13,017.21

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Solution

The fourth proportional to 19,476.15, 26,884.22 and 13,017.21 is: 17,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.15 : 26,884.22 = 13,017.21 : x
  2. Step 2: Convert to fraction form
    19,476.15/26,884.22 = 13,017.21/x
  3. Step 3: Cross multiply
    19,476.15x = 26,884.22 × 13,017.21
  4. Step 4: Simplify right side
    19,476.15x = 349,957,472.34
  5. Step 5: Solve for x
    x = 349,957,472.34/19,476.15
  6. Step 6: Final answer
    x = 17,968.51

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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.