Home / 32,707.74-45,138.07-18,561.90

Finding the Fourth Proportional to 32,707.74, 45,138.07 and 18,561.90

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Solution

The fourth proportional to 32,707.74, 45,138.07 and 18,561.90 is: 25,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.74 : 45,138.07 = 18,561.90 : x
  2. Step 2: Convert to fraction form
    32,707.74/45,138.07 = 18,561.90/x
  3. Step 3: Cross multiply
    32,707.74x = 45,138.07 × 18,561.90
  4. Step 4: Simplify right side
    32,707.74x = 837,848,341.53
  5. Step 5: Solve for x
    x = 837,848,341.53/32,707.74
  6. Step 6: Final answer
    x = 25,616.21

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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.