Home / 21,055.84-29,060.40-16,011.96

Finding the Fourth Proportional to 21,055.84, 29,060.40 and 16,011.96

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Solution

The fourth proportional to 21,055.84, 29,060.40 and 16,011.96 is: 22,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.84 : 29,060.40 = 16,011.96 : x
  2. Step 2: Convert to fraction form
    21,055.84/29,060.40 = 16,011.96/x
  3. Step 3: Cross multiply
    21,055.84x = 29,060.40 × 16,011.96
  4. Step 4: Simplify right side
    21,055.84x = 465,313,962.38
  5. Step 5: Solve for x
    x = 465,313,962.38/21,055.84
  6. Step 6: Final answer
    x = 22,099.05

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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.