Home / 19,609.59-27,047.56-12,893.07

Finding the Fourth Proportional to 19,609.59, 27,047.56 and 12,893.07

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Solution

The fourth proportional to 19,609.59, 27,047.56 and 12,893.07 is: 17,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.59 : 27,047.56 = 12,893.07 : x
  2. Step 2: Convert to fraction form
    19,609.59/27,047.56 = 12,893.07/x
  3. Step 3: Cross multiply
    19,609.59x = 27,047.56 × 12,893.07
  4. Step 4: Simplify right side
    19,609.59x = 348,726,084.41
  5. Step 5: Solve for x
    x = 348,726,084.41/19,609.59
  6. Step 6: Final answer
    x = 17,783.45

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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.