Home / 19,697.06-27,193.02-13,656.08

Finding the Fourth Proportional to 19,697.06, 27,193.02 and 13,656.08

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Solution

The fourth proportional to 19,697.06, 27,193.02 and 13,656.08 is: 18,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.06 : 27,193.02 = 13,656.08 : x
  2. Step 2: Convert to fraction form
    19,697.06/27,193.02 = 13,656.08/x
  3. Step 3: Cross multiply
    19,697.06x = 27,193.02 × 13,656.08
  4. Step 4: Simplify right side
    19,697.06x = 371,350,056.56
  5. Step 5: Solve for x
    x = 371,350,056.56/19,697.06
  6. Step 6: Final answer
    x = 18,853.07

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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.