Home / 12,983.68-17,924.36-10,403.35

Finding the Fourth Proportional to 12,983.68, 17,924.36 and 10,403.35

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Solution

The fourth proportional to 12,983.68, 17,924.36 and 10,403.35 is: 14,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.68 : 17,924.36 = 10,403.35 : x
  2. Step 2: Convert to fraction form
    12,983.68/17,924.36 = 10,403.35/x
  3. Step 3: Cross multiply
    12,983.68x = 17,924.36 × 10,403.35
  4. Step 4: Simplify right side
    12,983.68x = 186,473,390.61
  5. Step 5: Solve for x
    x = 186,473,390.61/12,983.68
  6. Step 6: Final answer
    x = 14,362.14

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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.