Home / 19,200.70-26,501.61-12,827.62

Finding the Fourth Proportional to 19,200.70, 26,501.61 and 12,827.62

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Solution

The fourth proportional to 19,200.70, 26,501.61 and 12,827.62 is: 17,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.70 : 26,501.61 = 12,827.62 : x
  2. Step 2: Convert to fraction form
    19,200.70/26,501.61 = 12,827.62/x
  3. Step 3: Cross multiply
    19,200.70x = 26,501.61 × 12,827.62
  4. Step 4: Simplify right side
    19,200.70x = 339,952,582.47
  5. Step 5: Solve for x
    x = 339,952,582.47/19,200.70
  6. Step 6: Final answer
    x = 17,705.22

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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.