Home / 12,048.21-18,070.29-3,614.58

Finding the Fourth Proportional to 12,048.21, 18,070.29 and 3,614.58

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Solution

The fourth proportional to 12,048.21, 18,070.29 and 3,614.58 is: 5,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.21 : 18,070.29 = 3,614.58 : x
  2. Step 2: Convert to fraction form
    12,048.21/18,070.29 = 3,614.58/x
  3. Step 3: Cross multiply
    12,048.21x = 18,070.29 × 3,614.58
  4. Step 4: Simplify right side
    12,048.21x = 65,316,508.83
  5. Step 5: Solve for x
    x = 65,316,508.83/12,048.21
  6. Step 6: Final answer
    x = 5,421.26

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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.