Home / 15,035.61-20,739.47-10,322.49

Finding the Fourth Proportional to 15,035.61, 20,739.47 and 10,322.49

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Solution

The fourth proportional to 15,035.61, 20,739.47 and 10,322.49 is: 14,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.61 : 20,739.47 = 10,322.49 : x
  2. Step 2: Convert to fraction form
    15,035.61/20,739.47 = 10,322.49/x
  3. Step 3: Cross multiply
    15,035.61x = 20,739.47 × 10,322.49
  4. Step 4: Simplify right side
    15,035.61x = 214,082,920.07
  5. Step 5: Solve for x
    x = 214,082,920.07/15,035.61
  6. Step 6: Final answer
    x = 14,238.39

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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.