Home / 12,475.08-18,698.50-4,153.14

Finding the Fourth Proportional to 12,475.08, 18,698.50 and 4,153.14

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Solution

The fourth proportional to 12,475.08, 18,698.50 and 4,153.14 is: 6,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.08 : 18,698.50 = 4,153.14 : x
  2. Step 2: Convert to fraction form
    12,475.08/18,698.50 = 4,153.14/x
  3. Step 3: Cross multiply
    12,475.08x = 18,698.50 × 4,153.14
  4. Step 4: Simplify right side
    12,475.08x = 77,657,563.60
  5. Step 5: Solve for x
    x = 77,657,563.60/12,475.08
  6. Step 6: Final answer
    x = 6,225.01

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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.