Home / 15,447.84-23,129.64-10,756.32

Finding the Fourth Proportional to 15,447.84, 23,129.64 and 10,756.32

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Solution

The fourth proportional to 15,447.84, 23,129.64 and 10,756.32 is: 16,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.84 : 23,129.64 = 10,756.32 : x
  2. Step 2: Convert to fraction form
    15,447.84/23,129.64 = 10,756.32/x
  3. Step 3: Cross multiply
    15,447.84x = 23,129.64 × 10,756.32
  4. Step 4: Simplify right side
    15,447.84x = 248,789,809.32
  5. Step 5: Solve for x
    x = 248,789,809.32/15,447.84
  6. Step 6: Final answer
    x = 16,105.15

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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.