Home / 25,428.69-35,090.75-14,098.68

Finding the Fourth Proportional to 25,428.69, 35,090.75 and 14,098.68

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Solution

The fourth proportional to 25,428.69, 35,090.75 and 14,098.68 is: 19,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.69 : 35,090.75 = 14,098.68 : x
  2. Step 2: Convert to fraction form
    25,428.69/35,090.75 = 14,098.68/x
  3. Step 3: Cross multiply
    25,428.69x = 35,090.75 × 14,098.68
  4. Step 4: Simplify right side
    25,428.69x = 494,733,290.46
  5. Step 5: Solve for x
    x = 494,733,290.46/25,428.69
  6. Step 6: Final answer
    x = 19,455.71

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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.