Home / 18,679.56-25,777.88-10,296.08

Finding the Fourth Proportional to 18,679.56, 25,777.88 and 10,296.08

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Solution

The fourth proportional to 18,679.56, 25,777.88 and 10,296.08 is: 14,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.56 : 25,777.88 = 10,296.08 : x
  2. Step 2: Convert to fraction form
    18,679.56/25,777.88 = 10,296.08/x
  3. Step 3: Cross multiply
    18,679.56x = 25,777.88 × 10,296.08
  4. Step 4: Simplify right side
    18,679.56x = 265,411,114.71
  5. Step 5: Solve for x
    x = 265,411,114.71/18,679.56
  6. Step 6: Final answer
    x = 14,208.64

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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.