Home / 13,917.93-19,210.26-7,953.10

Finding the Fourth Proportional to 13,917.93, 19,210.26 and 7,953.10

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Solution

The fourth proportional to 13,917.93, 19,210.26 and 7,953.10 is: 10,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.93 : 19,210.26 = 7,953.10 : x
  2. Step 2: Convert to fraction form
    13,917.93/19,210.26 = 7,953.10/x
  3. Step 3: Cross multiply
    13,917.93x = 19,210.26 × 7,953.10
  4. Step 4: Simplify right side
    13,917.93x = 152,781,208.66
  5. Step 5: Solve for x
    x = 152,781,208.66/13,917.93
  6. Step 6: Final answer
    x = 10,977.30

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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.