Home / 13,973.09-19,282.46-7,685.46

Finding the Fourth Proportional to 13,973.09, 19,282.46 and 7,685.46

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Solution

The fourth proportional to 13,973.09, 19,282.46 and 7,685.46 is: 10,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.09 : 19,282.46 = 7,685.46 : x
  2. Step 2: Convert to fraction form
    13,973.09/19,282.46 = 7,685.46/x
  3. Step 3: Cross multiply
    13,973.09x = 19,282.46 × 7,685.46
  4. Step 4: Simplify right side
    13,973.09x = 148,194,536.60
  5. Step 5: Solve for x
    x = 148,194,536.60/13,973.09
  6. Step 6: Final answer
    x = 10,605.71

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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.