Home / 13,918.24-19,210.52-7,953.39

Finding the Fourth Proportional to 13,918.24, 19,210.52 and 7,953.39

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Solution

The fourth proportional to 13,918.24, 19,210.52 and 7,953.39 is: 10,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.24 : 19,210.52 = 7,953.39 : x
  2. Step 2: Convert to fraction form
    13,918.24/19,210.52 = 7,953.39/x
  3. Step 3: Cross multiply
    13,918.24x = 19,210.52 × 7,953.39
  4. Step 4: Simplify right side
    13,918.24x = 152,788,732.81
  5. Step 5: Solve for x
    x = 152,788,732.81/13,918.24
  6. Step 6: Final answer
    x = 10,977.59

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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.