Home / 19,599.48-29,390.71-7,115.35

Finding the Fourth Proportional to 19,599.48, 29,390.71 and 7,115.35

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Solution

The fourth proportional to 19,599.48, 29,390.71 and 7,115.35 is: 10,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.48 : 29,390.71 = 7,115.35 : x
  2. Step 2: Convert to fraction form
    19,599.48/29,390.71 = 7,115.35/x
  3. Step 3: Cross multiply
    19,599.48x = 29,390.71 × 7,115.35
  4. Step 4: Simplify right side
    19,599.48x = 209,125,188.40
  5. Step 5: Solve for x
    x = 209,125,188.40/19,599.48
  6. Step 6: Final answer
    x = 10,669.94

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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.