Home / 13,792.81-19,034.18-7,505.23

Finding the Fourth Proportional to 13,792.81, 19,034.18 and 7,505.23

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Solution

The fourth proportional to 13,792.81, 19,034.18 and 7,505.23 is: 10,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.81 : 19,034.18 = 7,505.23 : x
  2. Step 2: Convert to fraction form
    13,792.81/19,034.18 = 7,505.23/x
  3. Step 3: Cross multiply
    13,792.81x = 19,034.18 × 7,505.23
  4. Step 4: Simplify right side
    13,792.81x = 142,855,898.76
  5. Step 5: Solve for x
    x = 142,855,898.76/13,792.81
  6. Step 6: Final answer
    x = 10,357.27

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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.