Home / 13,835.36-19,092.84-7,547.72

Finding the Fourth Proportional to 13,835.36, 19,092.84 and 7,547.72

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Solution

The fourth proportional to 13,835.36, 19,092.84 and 7,547.72 is: 10,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.36 : 19,092.84 = 7,547.72 : x
  2. Step 2: Convert to fraction form
    13,835.36/19,092.84 = 7,547.72/x
  3. Step 3: Cross multiply
    13,835.36x = 19,092.84 × 7,547.72
  4. Step 4: Simplify right side
    13,835.36x = 144,107,410.32
  5. Step 5: Solve for x
    x = 144,107,410.32/13,835.36
  6. Step 6: Final answer
    x = 10,415.88

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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.