Home / 19,710.08-27,195.75-12,537.38

Finding the Fourth Proportional to 19,710.08, 27,195.75 and 12,537.38

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Solution

The fourth proportional to 19,710.08, 27,195.75 and 12,537.38 is: 17,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.08 : 27,195.75 = 12,537.38 : x
  2. Step 2: Convert to fraction form
    19,710.08/27,195.75 = 12,537.38/x
  3. Step 3: Cross multiply
    19,710.08x = 27,195.75 × 12,537.38
  4. Step 4: Simplify right side
    19,710.08x = 340,963,389.45
  5. Step 5: Solve for x
    x = 340,963,389.45/19,710.08
  6. Step 6: Final answer
    x = 17,298.94

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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.