Home / 22,374.16-30,876.45-12,303.25

Finding the Fourth Proportional to 22,374.16, 30,876.45 and 12,303.25

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Solution

The fourth proportional to 22,374.16, 30,876.45 and 12,303.25 is: 16,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.16 : 30,876.45 = 12,303.25 : x
  2. Step 2: Convert to fraction form
    22,374.16/30,876.45 = 12,303.25/x
  3. Step 3: Cross multiply
    22,374.16x = 30,876.45 × 12,303.25
  4. Step 4: Simplify right side
    22,374.16x = 379,880,683.46
  5. Step 5: Solve for x
    x = 379,880,683.46/22,374.16
  6. Step 6: Final answer
    x = 16,978.55

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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.