Home / 25,368.18-38,051.87-8,728.36

Finding the Fourth Proportional to 25,368.18, 38,051.87 and 8,728.36

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Solution

The fourth proportional to 25,368.18, 38,051.87 and 8,728.36 is: 13,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.18 : 38,051.87 = 8,728.36 : x
  2. Step 2: Convert to fraction form
    25,368.18/38,051.87 = 8,728.36/x
  3. Step 3: Cross multiply
    25,368.18x = 38,051.87 × 8,728.36
  4. Step 4: Simplify right side
    25,368.18x = 332,130,346.72
  5. Step 5: Solve for x
    x = 332,130,346.72/25,368.18
  6. Step 6: Final answer
    x = 13,092.40

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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.