Home / 42,341.76-63,512.64-11,176.32

Finding the Fourth Proportional to 42,341.76, 63,512.64 and 11,176.32

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Solution

The fourth proportional to 42,341.76, 63,512.64 and 11,176.32 is: 16,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,341.76 : 63,512.64 = 11,176.32 : x
  2. Step 2: Convert to fraction form
    42,341.76/63,512.64 = 11,176.32/x
  3. Step 3: Cross multiply
    42,341.76x = 63,512.64 × 11,176.32
  4. Step 4: Simplify right side
    42,341.76x = 709,837,588.68
  5. Step 5: Solve for x
    x = 709,837,588.68/42,341.76
  6. Step 6: Final answer
    x = 16,764.48

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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.