Home / 12,888.24-19,332.36-8,533.32

Finding the Fourth Proportional to 12,888.24, 19,332.36 and 8,533.32

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Solution

The fourth proportional to 12,888.24, 19,332.36 and 8,533.32 is: 12,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.24 : 19,332.36 = 8,533.32 : x
  2. Step 2: Convert to fraction form
    12,888.24/19,332.36 = 8,533.32/x
  3. Step 3: Cross multiply
    12,888.24x = 19,332.36 × 8,533.32
  4. Step 4: Simplify right side
    12,888.24x = 164,969,214.24
  5. Step 5: Solve for x
    x = 164,969,214.24/12,888.24
  6. Step 6: Final answer
    x = 12,799.98

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.