Home / 19,420.16-29,085.84-11,612.96

Finding the Fourth Proportional to 19,420.16, 29,085.84 and 11,612.96

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Solution

The fourth proportional to 19,420.16, 29,085.84 and 11,612.96 is: 17,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.16 : 29,085.84 = 11,612.96 : x
  2. Step 2: Convert to fraction form
    19,420.16/29,085.84 = 11,612.96/x
  3. Step 3: Cross multiply
    19,420.16x = 29,085.84 × 11,612.96
  4. Step 4: Simplify right side
    19,420.16x = 337,772,696.49
  5. Step 5: Solve for x
    x = 337,772,696.49/19,420.16
  6. Step 6: Final answer
    x = 17,392.89

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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.