Home / 14,052.10-21,064.65-9,106.78

Finding the Fourth Proportional to 14,052.10, 21,064.65 and 9,106.78

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Solution

The fourth proportional to 14,052.10, 21,064.65 and 9,106.78 is: 13,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.10 : 21,064.65 = 9,106.78 : x
  2. Step 2: Convert to fraction form
    14,052.10/21,064.65 = 9,106.78/x
  3. Step 3: Cross multiply
    14,052.10x = 21,064.65 × 9,106.78
  4. Step 4: Simplify right side
    14,052.10x = 191,831,133.33
  5. Step 5: Solve for x
    x = 191,831,133.33/14,052.10
  6. Step 6: Final answer
    x = 13,651.42

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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.