Home / 32,940.08-45,458.04-19,511.12

Finding the Fourth Proportional to 32,940.08, 45,458.04 and 19,511.12

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Solution

The fourth proportional to 32,940.08, 45,458.04 and 19,511.12 is: 26,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.08 : 45,458.04 = 19,511.12 : x
  2. Step 2: Convert to fraction form
    32,940.08/45,458.04 = 19,511.12/x
  3. Step 3: Cross multiply
    32,940.08x = 45,458.04 × 19,511.12
  4. Step 4: Simplify right side
    32,940.08x = 886,937,273.40
  5. Step 5: Solve for x
    x = 886,937,273.40/32,940.08
  6. Step 6: Final answer
    x = 26,925.78

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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.