Home / 21,026.16-29,014.94-13,068.32

Finding the Fourth Proportional to 21,026.16, 29,014.94 and 13,068.32

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Solution

The fourth proportional to 21,026.16, 29,014.94 and 13,068.32 is: 18,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.16 : 29,014.94 = 13,068.32 : x
  2. Step 2: Convert to fraction form
    21,026.16/29,014.94 = 13,068.32/x
  3. Step 3: Cross multiply
    21,026.16x = 29,014.94 × 13,068.32
  4. Step 4: Simplify right side
    21,026.16x = 379,176,408.30
  5. Step 5: Solve for x
    x = 379,176,408.30/21,026.16
  6. Step 6: Final answer
    x = 18,033.55

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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.