Home / 18,097.79-24,977.59-10,140.56

Finding the Fourth Proportional to 18,097.79, 24,977.59 and 10,140.56

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Solution

The fourth proportional to 18,097.79, 24,977.59 and 10,140.56 is: 13,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.79 : 24,977.59 = 10,140.56 : x
  2. Step 2: Convert to fraction form
    18,097.79/24,977.59 = 10,140.56/x
  3. Step 3: Cross multiply
    18,097.79x = 24,977.59 × 10,140.56
  4. Step 4: Simplify right side
    18,097.79x = 253,286,750.05
  5. Step 5: Solve for x
    x = 253,286,750.05/18,097.79
  6. Step 6: Final answer
    x = 13,995.45

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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.