Home / 19,335.15-28,999.06-6,854.67

Finding the Fourth Proportional to 19,335.15, 28,999.06 and 6,854.67

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Solution

The fourth proportional to 19,335.15, 28,999.06 and 6,854.67 is: 10,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.15 : 28,999.06 = 6,854.67 : x
  2. Step 2: Convert to fraction form
    19,335.15/28,999.06 = 6,854.67/x
  3. Step 3: Cross multiply
    19,335.15x = 28,999.06 × 6,854.67
  4. Step 4: Simplify right side
    19,335.15x = 198,778,986.61
  5. Step 5: Solve for x
    x = 198,778,986.61/19,335.15
  6. Step 6: Final answer
    x = 10,280.71

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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.