Home / 12,966.40-19,452.68-5,570.93

Finding the Fourth Proportional to 12,966.40, 19,452.68 and 5,570.93

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Solution

The fourth proportional to 12,966.40, 19,452.68 and 5,570.93 is: 8,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.40 : 19,452.68 = 5,570.93 : x
  2. Step 2: Convert to fraction form
    12,966.40/19,452.68 = 5,570.93/x
  3. Step 3: Cross multiply
    12,966.40x = 19,452.68 × 5,570.93
  4. Step 4: Simplify right side
    12,966.40x = 108,369,466.51
  5. Step 5: Solve for x
    x = 108,369,466.51/12,966.40
  6. Step 6: Final answer
    x = 8,357.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.