Home / 22,050.85-30,428.74-12,492.74

Finding the Fourth Proportional to 22,050.85, 30,428.74 and 12,492.74

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Solution

The fourth proportional to 22,050.85, 30,428.74 and 12,492.74 is: 17,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.85 : 30,428.74 = 12,492.74 : x
  2. Step 2: Convert to fraction form
    22,050.85/30,428.74 = 12,492.74/x
  3. Step 3: Cross multiply
    22,050.85x = 30,428.74 × 12,492.74
  4. Step 4: Simplify right side
    22,050.85x = 380,138,515.75
  5. Step 5: Solve for x
    x = 380,138,515.75/22,050.85
  6. Step 6: Final answer
    x = 17,239.18

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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.