Home / 25,455.09-35,128.22-14,124.63

Finding the Fourth Proportional to 25,455.09, 35,128.22 and 14,124.63

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Solution

The fourth proportional to 25,455.09, 35,128.22 and 14,124.63 is: 19,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.09 : 35,128.22 = 14,124.63 : x
  2. Step 2: Convert to fraction form
    25,455.09/35,128.22 = 14,124.63/x
  3. Step 3: Cross multiply
    25,455.09x = 35,128.22 × 14,124.63
  4. Step 4: Simplify right side
    25,455.09x = 496,173,039.44
  5. Step 5: Solve for x
    x = 496,173,039.44/25,455.09
  6. Step 6: Final answer
    x = 19,492.10

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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.