Home / 18,459.05-25,473.47-10,075.55

Finding the Fourth Proportional to 18,459.05, 25,473.47 and 10,075.55

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Solution

The fourth proportional to 18,459.05, 25,473.47 and 10,075.55 is: 13,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.05 : 25,473.47 = 10,075.55 : x
  2. Step 2: Convert to fraction form
    18,459.05/25,473.47 = 10,075.55/x
  3. Step 3: Cross multiply
    18,459.05x = 25,473.47 × 10,075.55
  4. Step 4: Simplify right side
    18,459.05x = 256,659,042.91
  5. Step 5: Solve for x
    x = 256,659,042.91/18,459.05
  6. Step 6: Final answer
    x = 13,904.24

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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.