Home / 19,111.84-26,374.80-10,729.12

Finding the Fourth Proportional to 19,111.84, 26,374.80 and 10,729.12

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Solution

The fourth proportional to 19,111.84, 26,374.80 and 10,729.12 is: 14,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.84 : 26,374.80 = 10,729.12 : x
  2. Step 2: Convert to fraction form
    19,111.84/26,374.80 = 10,729.12/x
  3. Step 3: Cross multiply
    19,111.84x = 26,374.80 × 10,729.12
  4. Step 4: Simplify right side
    19,111.84x = 282,978,394.18
  5. Step 5: Solve for x
    x = 282,978,394.18/19,111.84
  6. Step 6: Final answer
    x = 14,806.44

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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.