Home / 25,779.08-35,574.36-15,169.32

Finding the Fourth Proportional to 25,779.08, 35,574.36 and 15,169.32

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Solution

The fourth proportional to 25,779.08, 35,574.36 and 15,169.32 is: 20,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.08 : 35,574.36 = 15,169.32 : x
  2. Step 2: Convert to fraction form
    25,779.08/35,574.36 = 15,169.32/x
  3. Step 3: Cross multiply
    25,779.08x = 35,574.36 × 15,169.32
  4. Step 4: Simplify right side
    25,779.08x = 539,638,850.64
  5. Step 5: Solve for x
    x = 539,638,850.64/25,779.08
  6. Step 6: Final answer
    x = 20,933.21

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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.