Home / 15,894.12-23,840.10-4,206.36

Finding the Fourth Proportional to 15,894.12, 23,840.10 and 4,206.36

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Solution

The fourth proportional to 15,894.12, 23,840.10 and 4,206.36 is: 6,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894.12 : 23,840.10 = 4,206.36 : x
  2. Step 2: Convert to fraction form
    15,894.12/23,840.10 = 4,206.36/x
  3. Step 3: Cross multiply
    15,894.12x = 23,840.10 × 4,206.36
  4. Step 4: Simplify right side
    15,894.12x = 100,280,043.04
  5. Step 5: Solve for x
    x = 100,280,043.04/15,894.12
  6. Step 6: Final answer
    x = 6,309.25

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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.