Home / 23,779.43-32,815.95-13,707.69

Finding the Fourth Proportional to 23,779.43, 32,815.95 and 13,707.69

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Solution

The fourth proportional to 23,779.43, 32,815.95 and 13,707.69 is: 18,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.43 : 32,815.95 = 13,707.69 : x
  2. Step 2: Convert to fraction form
    23,779.43/32,815.95 = 13,707.69/x
  3. Step 3: Cross multiply
    23,779.43x = 32,815.95 × 13,707.69
  4. Step 4: Simplify right side
    23,779.43x = 449,830,772.30
  5. Step 5: Solve for x
    x = 449,830,772.30/23,779.43
  6. Step 6: Final answer
    x = 18,916.80

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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.