Home / 15,439.96-23,156.98-7,534.56

Finding the Fourth Proportional to 15,439.96, 23,156.98 and 7,534.56

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Solution

The fourth proportional to 15,439.96, 23,156.98 and 7,534.56 is: 11,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.96 : 23,156.98 = 7,534.56 : x
  2. Step 2: Convert to fraction form
    15,439.96/23,156.98 = 7,534.56/x
  3. Step 3: Cross multiply
    15,439.96x = 23,156.98 × 7,534.56
  4. Step 4: Simplify right side
    15,439.96x = 174,477,655.23
  5. Step 5: Solve for x
    x = 174,477,655.23/15,439.96
  6. Step 6: Final answer
    x = 11,300.40

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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.