Home / 13,174.68-18,148.14-10,530.84

Finding the Fourth Proportional to 13,174.68, 18,148.14 and 10,530.84

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Solution

The fourth proportional to 13,174.68, 18,148.14 and 10,530.84 is: 14,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.68 : 18,148.14 = 10,530.84 : x
  2. Step 2: Convert to fraction form
    13,174.68/18,148.14 = 10,530.84/x
  3. Step 3: Cross multiply
    13,174.68x = 18,148.14 × 10,530.84
  4. Step 4: Simplify right side
    13,174.68x = 191,115,158.64
  5. Step 5: Solve for x
    x = 191,115,158.64/13,174.68
  6. Step 6: Final answer
    x = 14,506.25

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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.