Home / 32,980.40-45,516.12-18,834.32

Finding the Fourth Proportional to 32,980.40, 45,516.12 and 18,834.32

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Solution

The fourth proportional to 32,980.40, 45,516.12 and 18,834.32 is: 25,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.40 : 45,516.12 = 18,834.32 : x
  2. Step 2: Convert to fraction form
    32,980.40/45,516.12 = 18,834.32/x
  3. Step 3: Cross multiply
    32,980.40x = 45,516.12 × 18,834.32
  4. Step 4: Simplify right side
    32,980.40x = 857,265,169.24
  5. Step 5: Solve for x
    x = 857,265,169.24/32,980.40
  6. Step 6: Final answer
    x = 25,993.17

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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.