Home / 15,462.32-21,334.38-10,435.84

Finding the Fourth Proportional to 15,462.32, 21,334.38 and 10,435.84

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Solution

The fourth proportional to 15,462.32, 21,334.38 and 10,435.84 is: 14,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.32 : 21,334.38 = 10,435.84 : x
  2. Step 2: Convert to fraction form
    15,462.32/21,334.38 = 10,435.84/x
  3. Step 3: Cross multiply
    15,462.32x = 21,334.38 × 10,435.84
  4. Step 4: Simplify right side
    15,462.32x = 222,642,176.18
  5. Step 5: Solve for x
    x = 222,642,176.18/15,462.32
  6. Step 6: Final answer
    x = 14,399.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.