Home / 13,042.08-19,582.68-12,588.48

Finding the Fourth Proportional to 13,042.08, 19,582.68 and 12,588.48

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Solution

The fourth proportional to 13,042.08, 19,582.68 and 12,588.48 is: 18,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.08 : 19,582.68 = 12,588.48 : x
  2. Step 2: Convert to fraction form
    13,042.08/19,582.68 = 12,588.48/x
  3. Step 3: Cross multiply
    13,042.08x = 19,582.68 × 12,588.48
  4. Step 4: Simplify right side
    13,042.08x = 246,516,175.53
  5. Step 5: Solve for x
    x = 246,516,175.53/13,042.08
  6. Step 6: Final answer
    x = 18,901.60

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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.