Home / 13,837.35-19,095.45-7,869.01

Finding the Fourth Proportional to 13,837.35, 19,095.45 and 7,869.01

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Solution

The fourth proportional to 13,837.35, 19,095.45 and 7,869.01 is: 10,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.35 : 19,095.45 = 7,869.01 : x
  2. Step 2: Convert to fraction form
    13,837.35/19,095.45 = 7,869.01/x
  3. Step 3: Cross multiply
    13,837.35x = 19,095.45 × 7,869.01
  4. Step 4: Simplify right side
    13,837.35x = 150,262,287.00
  5. Step 5: Solve for x
    x = 150,262,287.00/13,837.35
  6. Step 6: Final answer
    x = 10,859.18

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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.