Home / 14,036.21-19,370.01-7,662.81

Finding the Fourth Proportional to 14,036.21, 19,370.01 and 7,662.81

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Solution

The fourth proportional to 14,036.21, 19,370.01 and 7,662.81 is: 10,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.21 : 19,370.01 = 7,662.81 : x
  2. Step 2: Convert to fraction form
    14,036.21/19,370.01 = 7,662.81/x
  3. Step 3: Cross multiply
    14,036.21x = 19,370.01 × 7,662.81
  4. Step 4: Simplify right side
    14,036.21x = 148,428,668.01
  5. Step 5: Solve for x
    x = 148,428,668.01/14,036.21
  6. Step 6: Final answer
    x = 10,574.70

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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.