Home / 56,189.91-84,256.63-18,736.72

Finding the Fourth Proportional to 56,189.91, 84,256.63 and 18,736.72

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Solution

The fourth proportional to 56,189.91, 84,256.63 and 18,736.72 is: 28,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,189.91 : 84,256.63 = 18,736.72 : x
  2. Step 2: Convert to fraction form
    56,189.91/84,256.63 = 18,736.72/x
  3. Step 3: Cross multiply
    56,189.91x = 84,256.63 × 18,736.72
  4. Step 4: Simplify right side
    56,189.91x = 1,578,692,884.45
  5. Step 5: Solve for x
    x = 1,578,692,884.45/56,189.91
  6. Step 6: Final answer
    x = 28,095.66

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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.