Home / 14,015.53-19,341.58-7,642.07

Finding the Fourth Proportional to 14,015.53, 19,341.58 and 7,642.07

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Solution

The fourth proportional to 14,015.53, 19,341.58 and 7,642.07 is: 10,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.53 : 19,341.58 = 7,642.07 : x
  2. Step 2: Convert to fraction form
    14,015.53/19,341.58 = 7,642.07/x
  3. Step 3: Cross multiply
    14,015.53x = 19,341.58 × 7,642.07
  4. Step 4: Simplify right side
    14,015.53x = 147,809,708.27
  5. Step 5: Solve for x
    x = 147,809,708.27/14,015.53
  6. Step 6: Final answer
    x = 10,546.14

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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.