Home / 15,247.08-21,033.42-10,212.36

Finding the Fourth Proportional to 15,247.08, 21,033.42 and 10,212.36

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Solution

The fourth proportional to 15,247.08, 21,033.42 and 10,212.36 is: 14,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.08 : 21,033.42 = 10,212.36 : x
  2. Step 2: Convert to fraction form
    15,247.08/21,033.42 = 10,212.36/x
  3. Step 3: Cross multiply
    15,247.08x = 21,033.42 × 10,212.36
  4. Step 4: Simplify right side
    15,247.08x = 214,800,857.07
  5. Step 5: Solve for x
    x = 214,800,857.07/15,247.08
  6. Step 6: Final answer
    x = 14,088.00

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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.