Home / 23,779.50-32,815.64-13,707.89

Finding the Fourth Proportional to 23,779.50, 32,815.64 and 13,707.89

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Solution

The fourth proportional to 23,779.50, 32,815.64 and 13,707.89 is: 18,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.50 : 32,815.64 = 13,707.89 : x
  2. Step 2: Convert to fraction form
    23,779.50/32,815.64 = 13,707.89/x
  3. Step 3: Cross multiply
    23,779.50x = 32,815.64 × 13,707.89
  4. Step 4: Simplify right side
    23,779.50x = 449,833,019.32
  5. Step 5: Solve for x
    x = 449,833,019.32/23,779.50
  6. Step 6: Final answer
    x = 18,916.84

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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.