Home / 15,176.41-20,937.95-8,799.49

Finding the Fourth Proportional to 15,176.41, 20,937.95 and 8,799.49

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Solution

The fourth proportional to 15,176.41, 20,937.95 and 8,799.49 is: 12,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.41 : 20,937.95 = 8,799.49 : x
  2. Step 2: Convert to fraction form
    15,176.41/20,937.95 = 8,799.49/x
  3. Step 3: Cross multiply
    15,176.41x = 20,937.95 × 8,799.49
  4. Step 4: Simplify right side
    15,176.41x = 184,243,281.65
  5. Step 5: Solve for x
    x = 184,243,281.65/15,176.41
  6. Step 6: Final answer
    x = 12,140.11

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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.