Home / 14,021.04-19,351.26-8,432.04

Finding the Fourth Proportional to 14,021.04, 19,351.26 and 8,432.04

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Solution

The fourth proportional to 14,021.04, 19,351.26 and 8,432.04 is: 11,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.04 : 19,351.26 = 8,432.04 : x
  2. Step 2: Convert to fraction form
    14,021.04/19,351.26 = 8,432.04/x
  3. Step 3: Cross multiply
    14,021.04x = 19,351.26 × 8,432.04
  4. Step 4: Simplify right side
    14,021.04x = 163,170,598.37
  5. Step 5: Solve for x
    x = 163,170,598.37/14,021.04
  6. Step 6: Final answer
    x = 11,637.55

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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.