Home / 14,100.05-21,154.79-4,612.80

Finding the Fourth Proportional to 14,100.05, 21,154.79 and 4,612.80

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Solution

The fourth proportional to 14,100.05, 21,154.79 and 4,612.80 is: 6,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.05 : 21,154.79 = 4,612.80 : x
  2. Step 2: Convert to fraction form
    14,100.05/21,154.79 = 4,612.80/x
  3. Step 3: Cross multiply
    14,100.05x = 21,154.79 × 4,612.80
  4. Step 4: Simplify right side
    14,100.05x = 97,582,792.25
  5. Step 5: Solve for x
    x = 97,582,792.25/14,100.05
  6. Step 6: Final answer
    x = 6,920.74

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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.