Home / 13,984.56-19,291.50-9,203.76

Finding the Fourth Proportional to 13,984.56, 19,291.50 and 9,203.76

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Solution

The fourth proportional to 13,984.56, 19,291.50 and 9,203.76 is: 12,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.56 : 19,291.50 = 9,203.76 : x
  2. Step 2: Convert to fraction form
    13,984.56/19,291.50 = 9,203.76/x
  3. Step 3: Cross multiply
    13,984.56x = 19,291.50 × 9,203.76
  4. Step 4: Simplify right side
    13,984.56x = 177,554,336.04
  5. Step 5: Solve for x
    x = 177,554,336.04/13,984.56
  6. Step 6: Final answer
    x = 12,696.45

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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.