Home / 25,090.98-34,620.64-14,880.12

Finding the Fourth Proportional to 25,090.98, 34,620.64 and 14,880.12

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Solution

The fourth proportional to 25,090.98, 34,620.64 and 14,880.12 is: 20,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.98 : 34,620.64 = 14,880.12 : x
  2. Step 2: Convert to fraction form
    25,090.98/34,620.64 = 14,880.12/x
  3. Step 3: Cross multiply
    25,090.98x = 34,620.64 × 14,880.12
  4. Step 4: Simplify right side
    25,090.98x = 515,159,277.68
  5. Step 5: Solve for x
    x = 515,159,277.68/25,090.98
  6. Step 6: Final answer
    x = 20,531.65

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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.