Home / 22,774.95-31,424.09-13,822.25

Finding the Fourth Proportional to 22,774.95, 31,424.09 and 13,822.25

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Solution

The fourth proportional to 22,774.95, 31,424.09 and 13,822.25 is: 19,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.95 : 31,424.09 = 13,822.25 : x
  2. Step 2: Convert to fraction form
    22,774.95/31,424.09 = 13,822.25/x
  3. Step 3: Cross multiply
    22,774.95x = 31,424.09 × 13,822.25
  4. Step 4: Simplify right side
    22,774.95x = 434,351,401.77
  5. Step 5: Solve for x
    x = 434,351,401.77/22,774.95
  6. Step 6: Final answer
    x = 19,071.45

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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.