Home / 14,779.69-20,395.98-11,006.10

Finding the Fourth Proportional to 14,779.69, 20,395.98 and 11,006.10

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Solution

The fourth proportional to 14,779.69, 20,395.98 and 11,006.10 is: 15,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.69 : 20,395.98 = 11,006.10 : x
  2. Step 2: Convert to fraction form
    14,779.69/20,395.98 = 11,006.10/x
  3. Step 3: Cross multiply
    14,779.69x = 20,395.98 × 11,006.10
  4. Step 4: Simplify right side
    14,779.69x = 224,480,195.48
  5. Step 5: Solve for x
    x = 224,480,195.48/14,779.69
  6. Step 6: Final answer
    x = 15,188.43

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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.