Home / 19,935.60-27,506.16-12,853.50

Finding the Fourth Proportional to 19,935.60, 27,506.16 and 12,853.50

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Solution

The fourth proportional to 19,935.60, 27,506.16 and 12,853.50 is: 17,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.60 : 27,506.16 = 12,853.50 : x
  2. Step 2: Convert to fraction form
    19,935.60/27,506.16 = 12,853.50/x
  3. Step 3: Cross multiply
    19,935.60x = 27,506.16 × 12,853.50
  4. Step 4: Simplify right side
    19,935.60x = 353,550,427.56
  5. Step 5: Solve for x
    x = 353,550,427.56/19,935.60
  6. Step 6: Final answer
    x = 17,734.63

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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.