Home / 14,084.40-19,435.13-8,418.01

Finding the Fourth Proportional to 14,084.40, 19,435.13 and 8,418.01

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Solution

The fourth proportional to 14,084.40, 19,435.13 and 8,418.01 is: 11,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.40 : 19,435.13 = 8,418.01 : x
  2. Step 2: Convert to fraction form
    14,084.40/19,435.13 = 8,418.01/x
  3. Step 3: Cross multiply
    14,084.40x = 19,435.13 × 8,418.01
  4. Step 4: Simplify right side
    14,084.40x = 163,605,118.69
  5. Step 5: Solve for x
    x = 163,605,118.69/14,084.40
  6. Step 6: Final answer
    x = 11,616.05

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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.