Home / 19,633.68-27,056.52-12,547.80

Finding the Fourth Proportional to 19,633.68, 27,056.52 and 12,547.80

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Solution

The fourth proportional to 19,633.68, 27,056.52 and 12,547.80 is: 17,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.68 : 27,056.52 = 12,547.80 : x
  2. Step 2: Convert to fraction form
    19,633.68/27,056.52 = 12,547.80/x
  3. Step 3: Cross multiply
    19,633.68x = 27,056.52 × 12,547.80
  4. Step 4: Simplify right side
    19,633.68x = 339,499,801.66
  5. Step 5: Solve for x
    x = 339,499,801.66/19,633.68
  6. Step 6: Final answer
    x = 17,291.70

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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.