Home / 14,188.37-19,580.03-7,900.74

Finding the Fourth Proportional to 14,188.37, 19,580.03 and 7,900.74

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Solution

The fourth proportional to 14,188.37, 19,580.03 and 7,900.74 is: 10,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.37 : 19,580.03 = 7,900.74 : x
  2. Step 2: Convert to fraction form
    14,188.37/19,580.03 = 7,900.74/x
  3. Step 3: Cross multiply
    14,188.37x = 19,580.03 × 7,900.74
  4. Step 4: Simplify right side
    14,188.37x = 154,696,716.35
  5. Step 5: Solve for x
    x = 154,696,716.35/14,188.37
  6. Step 6: Final answer
    x = 10,903.07

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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.