Home / 25,455.59-35,128.91-14,125.13

Finding the Fourth Proportional to 25,455.59, 35,128.91 and 14,125.13

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Solution

The fourth proportional to 25,455.59, 35,128.91 and 14,125.13 is: 19,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.59 : 35,128.91 = 14,125.13 : x
  2. Step 2: Convert to fraction form
    25,455.59/35,128.91 = 14,125.13/x
  3. Step 3: Cross multiply
    25,455.59x = 35,128.91 × 14,125.13
  4. Step 4: Simplify right side
    25,455.59x = 496,200,349.88
  5. Step 5: Solve for x
    x = 496,200,349.88/25,455.59
  6. Step 6: Final answer
    x = 19,492.79

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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.