Home / 22,608.95-31,201.94-12,538.35

Finding the Fourth Proportional to 22,608.95, 31,201.94 and 12,538.35

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Solution

The fourth proportional to 22,608.95, 31,201.94 and 12,538.35 is: 17,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.95 : 31,201.94 = 12,538.35 : x
  2. Step 2: Convert to fraction form
    22,608.95/31,201.94 = 12,538.35/x
  3. Step 3: Cross multiply
    22,608.95x = 31,201.94 × 12,538.35
  4. Step 4: Simplify right side
    22,608.95x = 391,220,875.74
  5. Step 5: Solve for x
    x = 391,220,875.74/22,608.95
  6. Step 6: Final answer
    x = 17,303.81

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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.