Home / 15,555.45-23,328.38-4,459.16

Finding the Fourth Proportional to 15,555.45, 23,328.38 and 4,459.16

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Solution

The fourth proportional to 15,555.45, 23,328.38 and 4,459.16 is: 6,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.45 : 23,328.38 = 4,459.16 : x
  2. Step 2: Convert to fraction form
    15,555.45/23,328.38 = 4,459.16/x
  3. Step 3: Cross multiply
    15,555.45x = 23,328.38 × 4,459.16
  4. Step 4: Simplify right side
    15,555.45x = 104,024,978.96
  5. Step 5: Solve for x
    x = 104,024,978.96/15,555.45
  6. Step 6: Final answer
    x = 6,687.37

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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.