Home / 15,779.70-23,669.42-4,686.48

Finding the Fourth Proportional to 15,779.70, 23,669.42 and 4,686.48

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Solution

The fourth proportional to 15,779.70, 23,669.42 and 4,686.48 is: 7,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.70 : 23,669.42 = 4,686.48 : x
  2. Step 2: Convert to fraction form
    15,779.70/23,669.42 = 4,686.48/x
  3. Step 3: Cross multiply
    15,779.70x = 23,669.42 × 4,686.48
  4. Step 4: Simplify right side
    15,779.70x = 110,926,240.01
  5. Step 5: Solve for x
    x = 110,926,240.01/15,779.70
  6. Step 6: Final answer
    x = 7,029.68

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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.