Home / 15,214.48-22,822.32-12,270.33

Finding the Fourth Proportional to 15,214.48, 22,822.32 and 12,270.33

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Solution

The fourth proportional to 15,214.48, 22,822.32 and 12,270.33 is: 18,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.48 : 22,822.32 = 12,270.33 : x
  2. Step 2: Convert to fraction form
    15,214.48/22,822.32 = 12,270.33/x
  3. Step 3: Cross multiply
    15,214.48x = 22,822.32 × 12,270.33
  4. Step 4: Simplify right side
    15,214.48x = 280,037,397.77
  5. Step 5: Solve for x
    x = 280,037,397.77/15,214.48
  6. Step 6: Final answer
    x = 18,405.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.