Home / 18,486.57-25,516.05-10,533.51

Finding the Fourth Proportional to 18,486.57, 25,516.05 and 10,533.51

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Solution

The fourth proportional to 18,486.57, 25,516.05 and 10,533.51 is: 14,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.57 : 25,516.05 = 10,533.51 : x
  2. Step 2: Convert to fraction form
    18,486.57/25,516.05 = 10,533.51/x
  3. Step 3: Cross multiply
    18,486.57x = 25,516.05 × 10,533.51
  4. Step 4: Simplify right side
    18,486.57x = 268,773,567.84
  5. Step 5: Solve for x
    x = 268,773,567.84/18,486.57
  6. Step 6: Final answer
    x = 14,538.86

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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.