Home / 14,416.02-21,590.82-8,161.20

Finding the Fourth Proportional to 14,416.02, 21,590.82 and 8,161.20

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Solution

The fourth proportional to 14,416.02, 21,590.82 and 8,161.20 is: 12,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.02 : 21,590.82 = 8,161.20 : x
  2. Step 2: Convert to fraction form
    14,416.02/21,590.82 = 8,161.20/x
  3. Step 3: Cross multiply
    14,416.02x = 21,590.82 × 8,161.20
  4. Step 4: Simplify right side
    14,416.02x = 176,207,000.18
  5. Step 5: Solve for x
    x = 176,207,000.18/14,416.02
  6. Step 6: Final answer
    x = 12,223.00

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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.