Home / 19,822.57-27,389.15-19,113.01

Finding the Fourth Proportional to 19,822.57, 27,389.15 and 19,113.01

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Solution

The fourth proportional to 19,822.57, 27,389.15 and 19,113.01 is: 26,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.57 : 27,389.15 = 19,113.01 : x
  2. Step 2: Convert to fraction form
    19,822.57/27,389.15 = 19,113.01/x
  3. Step 3: Cross multiply
    19,822.57x = 27,389.15 × 19,113.01
  4. Step 4: Simplify right side
    19,822.57x = 523,489,002.28
  5. Step 5: Solve for x
    x = 523,489,002.28/19,822.57
  6. Step 6: Final answer
    x = 26,408.74

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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.