Home / 22,453.75-30,985.76-12,383.12

Finding the Fourth Proportional to 22,453.75, 30,985.76 and 12,383.12

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Solution

The fourth proportional to 22,453.75, 30,985.76 and 12,383.12 is: 17,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.75 : 30,985.76 = 12,383.12 : x
  2. Step 2: Convert to fraction form
    22,453.75/30,985.76 = 12,383.12/x
  3. Step 3: Cross multiply
    22,453.75x = 30,985.76 × 12,383.12
  4. Step 4: Simplify right side
    22,453.75x = 383,700,492.79
  5. Step 5: Solve for x
    x = 383,700,492.79/22,453.75
  6. Step 6: Final answer
    x = 17,088.48

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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.