Home / 15,250.68-21,048.66-11,071.08

Finding the Fourth Proportional to 15,250.68, 21,048.66 and 11,071.08

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Solution

The fourth proportional to 15,250.68, 21,048.66 and 11,071.08 is: 15,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.68 : 21,048.66 = 11,071.08 : x
  2. Step 2: Convert to fraction form
    15,250.68/21,048.66 = 11,071.08/x
  3. Step 3: Cross multiply
    15,250.68x = 21,048.66 × 11,071.08
  4. Step 4: Simplify right side
    15,250.68x = 233,031,398.75
  5. Step 5: Solve for x
    x = 233,031,398.75/15,250.68
  6. Step 6: Final answer
    x = 15,280.07

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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.