Home / 22,460.61-30,998.43-12,903.48

Finding the Fourth Proportional to 22,460.61, 30,998.43 and 12,903.48

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Solution

The fourth proportional to 22,460.61, 30,998.43 and 12,903.48 is: 17,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.61 : 30,998.43 = 12,903.48 : x
  2. Step 2: Convert to fraction form
    22,460.61/30,998.43 = 12,903.48/x
  3. Step 3: Cross multiply
    22,460.61x = 30,998.43 × 12,903.48
  4. Step 4: Simplify right side
    22,460.61x = 399,987,621.54
  5. Step 5: Solve for x
    x = 399,987,621.54/22,460.61
  6. Step 6: Final answer
    x = 17,808.40

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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.