Home / 21,444.22-29,593.32-12,369.40

Finding the Fourth Proportional to 21,444.22, 29,593.32 and 12,369.40

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Solution

The fourth proportional to 21,444.22, 29,593.32 and 12,369.40 is: 17,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.22 : 29,593.32 = 12,369.40 : x
  2. Step 2: Convert to fraction form
    21,444.22/29,593.32 = 12,369.40/x
  3. Step 3: Cross multiply
    21,444.22x = 29,593.32 × 12,369.40
  4. Step 4: Simplify right side
    21,444.22x = 366,051,612.41
  5. Step 5: Solve for x
    x = 366,051,612.41/21,444.22
  6. Step 6: Final answer
    x = 17,069.94

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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.