Home / 15,144.36-20,901.45-9,095.01

Finding the Fourth Proportional to 15,144.36, 20,901.45 and 9,095.01

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Solution

The fourth proportional to 15,144.36, 20,901.45 and 9,095.01 is: 12,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.36 : 20,901.45 = 9,095.01 : x
  2. Step 2: Convert to fraction form
    15,144.36/20,901.45 = 9,095.01/x
  3. Step 3: Cross multiply
    15,144.36x = 20,901.45 × 9,095.01
  4. Step 4: Simplify right side
    15,144.36x = 190,098,896.76
  5. Step 5: Solve for x
    x = 190,098,896.76/15,144.36
  6. Step 6: Final answer
    x = 12,552.45

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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.