Home / 13,824.95-19,072.36-9,347.06

Finding the Fourth Proportional to 13,824.95, 19,072.36 and 9,347.06

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Solution

The fourth proportional to 13,824.95, 19,072.36 and 9,347.06 is: 12,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.95 : 19,072.36 = 9,347.06 : x
  2. Step 2: Convert to fraction form
    13,824.95/19,072.36 = 9,347.06/x
  3. Step 3: Cross multiply
    13,824.95x = 19,072.36 × 9,347.06
  4. Step 4: Simplify right side
    13,824.95x = 178,270,552.63
  5. Step 5: Solve for x
    x = 178,270,552.63/13,824.95
  6. Step 6: Final answer
    x = 12,894.85

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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.