Home / 19,700.04-27,185.58-11,317.08

Finding the Fourth Proportional to 19,700.04, 27,185.58 and 11,317.08

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Solution

The fourth proportional to 19,700.04, 27,185.58 and 11,317.08 is: 15,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.04 : 27,185.58 = 11,317.08 : x
  2. Step 2: Convert to fraction form
    19,700.04/27,185.58 = 11,317.08/x
  3. Step 3: Cross multiply
    19,700.04x = 27,185.58 × 11,317.08
  4. Step 4: Simplify right side
    19,700.04x = 307,661,383.71
  5. Step 5: Solve for x
    x = 307,661,383.71/19,700.04
  6. Step 6: Final answer
    x = 15,617.30

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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.