Home / 13,533.39-18,663.98-8,498.08

Finding the Fourth Proportional to 13,533.39, 18,663.98 and 8,498.08

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Solution

The fourth proportional to 13,533.39, 18,663.98 and 8,498.08 is: 11,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.39 : 18,663.98 = 8,498.08 : x
  2. Step 2: Convert to fraction form
    13,533.39/18,663.98 = 8,498.08/x
  3. Step 3: Cross multiply
    13,533.39x = 18,663.98 × 8,498.08
  4. Step 4: Simplify right side
    13,533.39x = 158,607,995.16
  5. Step 5: Solve for x
    x = 158,607,995.16/13,533.39
  6. Step 6: Final answer
    x = 11,719.75

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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.