Home / 15,865.11-23,798.84-4,178.25

Finding the Fourth Proportional to 15,865.11, 23,798.84 and 4,178.25

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Solution

The fourth proportional to 15,865.11, 23,798.84 and 4,178.25 is: 6,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.11 : 23,798.84 = 4,178.25 : x
  2. Step 2: Convert to fraction form
    15,865.11/23,798.84 = 4,178.25/x
  3. Step 3: Cross multiply
    15,865.11x = 23,798.84 × 4,178.25
  4. Step 4: Simplify right side
    15,865.11x = 99,437,482.34
  5. Step 5: Solve for x
    x = 99,437,482.34/15,865.11
  6. Step 6: Final answer
    x = 6,267.68

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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.