Home / 19,985.44-27,597.66-12,444.70

Finding the Fourth Proportional to 19,985.44, 27,597.66 and 12,444.70

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Solution

The fourth proportional to 19,985.44, 27,597.66 and 12,444.70 is: 17,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.44 : 27,597.66 = 12,444.70 : x
  2. Step 2: Convert to fraction form
    19,985.44/27,597.66 = 12,444.70/x
  3. Step 3: Cross multiply
    19,985.44x = 27,597.66 × 12,444.70
  4. Step 4: Simplify right side
    19,985.44x = 343,444,599.40
  5. Step 5: Solve for x
    x = 343,444,599.40/19,985.44
  6. Step 6: Final answer
    x = 17,184.74

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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.