Home / 14,088.08-19,443.96-8,118.68

Finding the Fourth Proportional to 14,088.08, 19,443.96 and 8,118.68

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Solution

The fourth proportional to 14,088.08, 19,443.96 and 8,118.68 is: 11,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.08 : 19,443.96 = 8,118.68 : x
  2. Step 2: Convert to fraction form
    14,088.08/19,443.96 = 8,118.68/x
  3. Step 3: Cross multiply
    14,088.08x = 19,443.96 × 8,118.68
  4. Step 4: Simplify right side
    14,088.08x = 157,859,289.17
  5. Step 5: Solve for x
    x = 157,859,289.17/14,088.08
  6. Step 6: Final answer
    x = 11,205.17

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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.