Home / 19,623.47-29,434.54-8,530.15

Finding the Fourth Proportional to 19,623.47, 29,434.54 and 8,530.15

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Solution

The fourth proportional to 19,623.47, 29,434.54 and 8,530.15 is: 12,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.47 : 29,434.54 = 8,530.15 : x
  2. Step 2: Convert to fraction form
    19,623.47/29,434.54 = 8,530.15/x
  3. Step 3: Cross multiply
    19,623.47x = 29,434.54 × 8,530.15
  4. Step 4: Simplify right side
    19,623.47x = 251,081,041.38
  5. Step 5: Solve for x
    x = 251,081,041.38/19,623.47
  6. Step 6: Final answer
    x = 12,794.94

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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.