Home / 18,599.74-25,665.86-10,533.76

Finding the Fourth Proportional to 18,599.74, 25,665.86 and 10,533.76

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Solution

The fourth proportional to 18,599.74, 25,665.86 and 10,533.76 is: 14,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.74 : 25,665.86 = 10,533.76 : x
  2. Step 2: Convert to fraction form
    18,599.74/25,665.86 = 10,533.76/x
  3. Step 3: Cross multiply
    18,599.74x = 25,665.86 × 10,533.76
  4. Step 4: Simplify right side
    18,599.74x = 270,358,009.43
  5. Step 5: Solve for x
    x = 270,358,009.43/18,599.74
  6. Step 6: Final answer
    x = 14,535.58

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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.