Home / 15,406.56-23,107.44-4,312.08

Finding the Fourth Proportional to 15,406.56, 23,107.44 and 4,312.08

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Solution

The fourth proportional to 15,406.56, 23,107.44 and 4,312.08 is: 6,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.56 : 23,107.44 = 4,312.08 : x
  2. Step 2: Convert to fraction form
    15,406.56/23,107.44 = 4,312.08/x
  3. Step 3: Cross multiply
    15,406.56x = 23,107.44 × 4,312.08
  4. Step 4: Simplify right side
    15,406.56x = 99,641,129.88
  5. Step 5: Solve for x
    x = 99,641,129.88/15,406.56
  6. Step 6: Final answer
    x = 6,467.45

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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.