Home / 13,844.47-19,104.70-7,875.58

Finding the Fourth Proportional to 13,844.47, 19,104.70 and 7,875.58

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Solution

The fourth proportional to 13,844.47, 19,104.70 and 7,875.58 is: 10,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.47 : 19,104.70 = 7,875.58 : x
  2. Step 2: Convert to fraction form
    13,844.47/19,104.70 = 7,875.58/x
  3. Step 3: Cross multiply
    13,844.47x = 19,104.70 × 7,875.58
  4. Step 4: Simplify right side
    13,844.47x = 150,460,478.01
  5. Step 5: Solve for x
    x = 150,460,478.01/13,844.47
  6. Step 6: Final answer
    x = 10,867.92

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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.