Home / 14,104.42-21,158.43-4,740.42

Finding the Fourth Proportional to 14,104.42, 21,158.43 and 4,740.42

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Solution

The fourth proportional to 14,104.42, 21,158.43 and 4,740.42 is: 7,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.42 : 21,158.43 = 4,740.42 : x
  2. Step 2: Convert to fraction form
    14,104.42/21,158.43 = 4,740.42/x
  3. Step 3: Cross multiply
    14,104.42x = 21,158.43 × 4,740.42
  4. Step 4: Simplify right side
    14,104.42x = 100,299,844.74
  5. Step 5: Solve for x
    x = 100,299,844.74/14,104.42
  6. Step 6: Final answer
    x = 7,111.23

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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.