Home / 25,415.64-38,125.62-8,768.93

Finding the Fourth Proportional to 25,415.64, 38,125.62 and 8,768.93

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Solution

The fourth proportional to 25,415.64, 38,125.62 and 8,768.93 is: 13,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.64 : 38,125.62 = 8,768.93 : x
  2. Step 2: Convert to fraction form
    25,415.64/38,125.62 = 8,768.93/x
  3. Step 3: Cross multiply
    25,415.64x = 38,125.62 × 8,768.93
  4. Step 4: Simplify right side
    25,415.64x = 334,320,702.36
  5. Step 5: Solve for x
    x = 334,320,702.36/25,415.64
  6. Step 6: Final answer
    x = 13,154.13

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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.