Home / 15,698.70-21,647.90-10,924.05

Finding the Fourth Proportional to 15,698.70, 21,647.90 and 10,924.05

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Solution

The fourth proportional to 15,698.70, 21,647.90 and 10,924.05 is: 15,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.70 : 21,647.90 = 10,924.05 : x
  2. Step 2: Convert to fraction form
    15,698.70/21,647.90 = 10,924.05/x
  3. Step 3: Cross multiply
    15,698.70x = 21,647.90 × 10,924.05
  4. Step 4: Simplify right side
    15,698.70x = 236,482,742.00
  5. Step 5: Solve for x
    x = 236,482,742.00/15,698.70
  6. Step 6: Final answer
    x = 15,063.84

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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.