Home / 21,316.46-29,424.81-16,026.64

Finding the Fourth Proportional to 21,316.46, 29,424.81 and 16,026.64

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Solution

The fourth proportional to 21,316.46, 29,424.81 and 16,026.64 is: 22,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,316.46 : 29,424.81 = 16,026.64 : x
  2. Step 2: Convert to fraction form
    21,316.46/29,424.81 = 16,026.64/x
  3. Step 3: Cross multiply
    21,316.46x = 29,424.81 × 16,026.64
  4. Step 4: Simplify right side
    21,316.46x = 471,580,823.48
  5. Step 5: Solve for x
    x = 471,580,823.48/21,316.46
  6. Step 6: Final answer
    x = 22,122.85

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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.