Home / 25,455.28-35,127.07-14,124.64

Finding the Fourth Proportional to 25,455.28, 35,127.07 and 14,124.64

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Solution

The fourth proportional to 25,455.28, 35,127.07 and 14,124.64 is: 19,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.28 : 35,127.07 = 14,124.64 : x
  2. Step 2: Convert to fraction form
    25,455.28/35,127.07 = 14,124.64/x
  3. Step 3: Cross multiply
    25,455.28x = 35,127.07 × 14,124.64
  4. Step 4: Simplify right side
    25,455.28x = 496,157,094.88
  5. Step 5: Solve for x
    x = 496,157,094.88/25,455.28
  6. Step 6: Final answer
    x = 19,491.33

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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.