Home / 14,968.56-20,656.44-8,681.52

Finding the Fourth Proportional to 14,968.56, 20,656.44 and 8,681.52

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Solution

The fourth proportional to 14,968.56, 20,656.44 and 8,681.52 is: 11,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.56 : 20,656.44 = 8,681.52 : x
  2. Step 2: Convert to fraction form
    14,968.56/20,656.44 = 8,681.52/x
  3. Step 3: Cross multiply
    14,968.56x = 20,656.44 × 8,681.52
  4. Step 4: Simplify right side
    14,968.56x = 179,329,296.99
  5. Step 5: Solve for x
    x = 179,329,296.99/14,968.56
  6. Step 6: Final answer
    x = 11,980.40

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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.