Home / 15,507.48-23,260.68-6,742.40

Finding the Fourth Proportional to 15,507.48, 23,260.68 and 6,742.40

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Solution

The fourth proportional to 15,507.48, 23,260.68 and 6,742.40 is: 10,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.48 : 23,260.68 = 6,742.40 : x
  2. Step 2: Convert to fraction form
    15,507.48/23,260.68 = 6,742.40/x
  3. Step 3: Cross multiply
    15,507.48x = 23,260.68 × 6,742.40
  4. Step 4: Simplify right side
    15,507.48x = 156,832,808.83
  5. Step 5: Solve for x
    x = 156,832,808.83/15,507.48
  6. Step 6: Final answer
    x = 10,113.37

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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.