Home / 21,466.18-32,208.54-11,612.40

Finding the Fourth Proportional to 21,466.18, 32,208.54 and 11,612.40

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Solution

The fourth proportional to 21,466.18, 32,208.54 and 11,612.40 is: 17,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.18 : 32,208.54 = 11,612.40 : x
  2. Step 2: Convert to fraction form
    21,466.18/32,208.54 = 11,612.40/x
  3. Step 3: Cross multiply
    21,466.18x = 32,208.54 × 11,612.40
  4. Step 4: Simplify right side
    21,466.18x = 374,018,288.85
  5. Step 5: Solve for x
    x = 374,018,288.85/21,466.18
  6. Step 6: Final answer
    x = 17,423.61

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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.