Home / 13,975.53-19,286.60-7,602.51

Finding the Fourth Proportional to 13,975.53, 19,286.60 and 7,602.51

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Solution

The fourth proportional to 13,975.53, 19,286.60 and 7,602.51 is: 10,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.53 : 19,286.60 = 7,602.51 : x
  2. Step 2: Convert to fraction form
    13,975.53/19,286.60 = 7,602.51/x
  3. Step 3: Cross multiply
    13,975.53x = 19,286.60 × 7,602.51
  4. Step 4: Simplify right side
    13,975.53x = 146,626,569.37
  5. Step 5: Solve for x
    x = 146,626,569.37/13,975.53
  6. Step 6: Final answer
    x = 10,491.66

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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.