Home / 15,914.32-21,970.92-10,626.64

Finding the Fourth Proportional to 15,914.32, 21,970.92 and 10,626.64

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Solution

The fourth proportional to 15,914.32, 21,970.92 and 10,626.64 is: 14,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.32 : 21,970.92 = 10,626.64 : x
  2. Step 2: Convert to fraction form
    15,914.32/21,970.92 = 10,626.64/x
  3. Step 3: Cross multiply
    15,914.32x = 21,970.92 × 10,626.64
  4. Step 4: Simplify right side
    15,914.32x = 233,477,057.31
  5. Step 5: Solve for x
    x = 233,477,057.31/15,914.32
  6. Step 6: Final answer
    x = 14,670.88

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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.