Home / 25,937.64-38,918.61-12,782.84

Finding the Fourth Proportional to 25,937.64, 38,918.61 and 12,782.84

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Solution

The fourth proportional to 25,937.64, 38,918.61 and 12,782.84 is: 19,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,937.64 : 38,918.61 = 12,782.84 : x
  2. Step 2: Convert to fraction form
    25,937.64/38,918.61 = 12,782.84/x
  3. Step 3: Cross multiply
    25,937.64x = 38,918.61 × 12,782.84
  4. Step 4: Simplify right side
    25,937.64x = 497,490,170.06
  5. Step 5: Solve for x
    x = 497,490,170.06/25,937.64
  6. Step 6: Final answer
    x = 19,180.24

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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.