Home / 18,599.36-25,667.16-10,643.12

Finding the Fourth Proportional to 18,599.36, 25,667.16 and 10,643.12

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Solution

The fourth proportional to 18,599.36, 25,667.16 and 10,643.12 is: 14,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.36 : 25,667.16 = 10,643.12 : x
  2. Step 2: Convert to fraction form
    18,599.36/25,667.16 = 10,643.12/x
  3. Step 3: Cross multiply
    18,599.36x = 25,667.16 × 10,643.12
  4. Step 4: Simplify right side
    18,599.36x = 273,178,663.94
  5. Step 5: Solve for x
    x = 273,178,663.94/18,599.36
  6. Step 6: Final answer
    x = 14,687.53

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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.