Home / 19,604.08-29,402.96-7,123.60

Finding the Fourth Proportional to 19,604.08, 29,402.96 and 7,123.60

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Solution

The fourth proportional to 19,604.08, 29,402.96 and 7,123.60 is: 10,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.08 : 29,402.96 = 7,123.60 : x
  2. Step 2: Convert to fraction form
    19,604.08/29,402.96 = 7,123.60/x
  3. Step 3: Cross multiply
    19,604.08x = 29,402.96 × 7,123.60
  4. Step 4: Simplify right side
    19,604.08x = 209,454,925.86
  5. Step 5: Solve for x
    x = 209,454,925.86/19,604.08
  6. Step 6: Final answer
    x = 10,684.25

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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.