Home / 14,019.01-21,026.18-6,991.58

Finding the Fourth Proportional to 14,019.01, 21,026.18 and 6,991.58

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Solution

The fourth proportional to 14,019.01, 21,026.18 and 6,991.58 is: 10,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.01 : 21,026.18 = 6,991.58 : x
  2. Step 2: Convert to fraction form
    14,019.01/21,026.18 = 6,991.58/x
  3. Step 3: Cross multiply
    14,019.01x = 21,026.18 × 6,991.58
  4. Step 4: Simplify right side
    14,019.01x = 147,006,289.61
  5. Step 5: Solve for x
    x = 147,006,289.61/14,019.01
  6. Step 6: Final answer
    x = 10,486.21

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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.