Home / 14,088.07-21,135.62-4,227.53

Finding the Fourth Proportional to 14,088.07, 21,135.62 and 4,227.53

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Solution

The fourth proportional to 14,088.07, 21,135.62 and 4,227.53 is: 6,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.07 : 21,135.62 = 4,227.53 : x
  2. Step 2: Convert to fraction form
    14,088.07/21,135.62 = 4,227.53/x
  3. Step 3: Cross multiply
    14,088.07x = 21,135.62 × 4,227.53
  4. Step 4: Simplify right side
    14,088.07x = 89,351,446.48
  5. Step 5: Solve for x
    x = 89,351,446.48/14,088.07
  6. Step 6: Final answer
    x = 6,342.35

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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.