Home / 19,095.17-28,663.70-15,171.64

Finding the Fourth Proportional to 19,095.17, 28,663.70 and 15,171.64

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Solution

The fourth proportional to 19,095.17, 28,663.70 and 15,171.64 is: 22,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.17 : 28,663.70 = 15,171.64 : x
  2. Step 2: Convert to fraction form
    19,095.17/28,663.70 = 15,171.64/x
  3. Step 3: Cross multiply
    19,095.17x = 28,663.70 × 15,171.64
  4. Step 4: Simplify right side
    19,095.17x = 434,875,189.95
  5. Step 5: Solve for x
    x = 434,875,189.95/19,095.17
  6. Step 6: Final answer
    x = 22,774.10

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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.