Home / 14,779.50-20,395.71-11,005.92

Finding the Fourth Proportional to 14,779.50, 20,395.71 and 11,005.92

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Solution

The fourth proportional to 14,779.50, 20,395.71 and 11,005.92 is: 15,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.50 : 20,395.71 = 11,005.92 : x
  2. Step 2: Convert to fraction form
    14,779.50/20,395.71 = 11,005.92/x
  3. Step 3: Cross multiply
    14,779.50x = 20,395.71 × 11,005.92
  4. Step 4: Simplify right side
    14,779.50x = 224,473,552.60
  5. Step 5: Solve for x
    x = 224,473,552.60/14,779.50
  6. Step 6: Final answer
    x = 15,188.17

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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.