Home / 25,397.18-35,051.99-15,838.63

Finding the Fourth Proportional to 25,397.18, 35,051.99 and 15,838.63

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Solution

The fourth proportional to 25,397.18, 35,051.99 and 15,838.63 is: 21,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.18 : 35,051.99 = 15,838.63 : x
  2. Step 2: Convert to fraction form
    25,397.18/35,051.99 = 15,838.63/x
  3. Step 3: Cross multiply
    25,397.18x = 35,051.99 × 15,838.63
  4. Step 4: Simplify right side
    25,397.18x = 555,175,500.37
  5. Step 5: Solve for x
    x = 555,175,500.37/25,397.18
  6. Step 6: Final answer
    x = 21,859.73

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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.