Home / 14,363.72-19,820.58-8,076.68

Finding the Fourth Proportional to 14,363.72, 19,820.58 and 8,076.68

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Solution

The fourth proportional to 14,363.72, 19,820.58 and 8,076.68 is: 11,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.72 : 19,820.58 = 8,076.68 : x
  2. Step 2: Convert to fraction form
    14,363.72/19,820.58 = 8,076.68/x
  3. Step 3: Cross multiply
    14,363.72x = 19,820.58 × 8,076.68
  4. Step 4: Simplify right side
    14,363.72x = 160,084,482.07
  5. Step 5: Solve for x
    x = 160,084,482.07/14,363.72
  6. Step 6: Final answer
    x = 11,145.06

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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.