Home / 22,903.56-31,611.06-13,345.02

Finding the Fourth Proportional to 22,903.56, 31,611.06 and 13,345.02

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Solution

The fourth proportional to 22,903.56, 31,611.06 and 13,345.02 is: 18,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.56 : 31,611.06 = 13,345.02 : x
  2. Step 2: Convert to fraction form
    22,903.56/31,611.06 = 13,345.02/x
  3. Step 3: Cross multiply
    22,903.56x = 31,611.06 × 13,345.02
  4. Step 4: Simplify right side
    22,903.56x = 421,850,227.92
  5. Step 5: Solve for x
    x = 421,850,227.92/22,903.56
  6. Step 6: Final answer
    x = 18,418.54

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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.