Home / 18,133.47-25,033.05-14,090.76

Finding the Fourth Proportional to 18,133.47, 25,033.05 and 14,090.76

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Solution

The fourth proportional to 18,133.47, 25,033.05 and 14,090.76 is: 19,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.47 : 25,033.05 = 14,090.76 : x
  2. Step 2: Convert to fraction form
    18,133.47/25,033.05 = 14,090.76/x
  3. Step 3: Cross multiply
    18,133.47x = 25,033.05 × 14,090.76
  4. Step 4: Simplify right side
    18,133.47x = 352,734,699.62
  5. Step 5: Solve for x
    x = 352,734,699.62/18,133.47
  6. Step 6: Final answer
    x = 19,452.13

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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.