Home / 19,997.04-27,602.52-12,547.44

Finding the Fourth Proportional to 19,997.04, 27,602.52 and 12,547.44

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Solution

The fourth proportional to 19,997.04, 27,602.52 and 12,547.44 is: 17,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.04 : 27,602.52 = 12,547.44 : x
  2. Step 2: Convert to fraction form
    19,997.04/27,602.52 = 12,547.44/x
  3. Step 3: Cross multiply
    19,997.04x = 27,602.52 × 12,547.44
  4. Step 4: Simplify right side
    19,997.04x = 346,340,963.55
  5. Step 5: Solve for x
    x = 346,340,963.55/19,997.04
  6. Step 6: Final answer
    x = 17,319.61

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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.