Home / 13,802.08-19,051.17-7,837.72

Finding the Fourth Proportional to 13,802.08, 19,051.17 and 7,837.72

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Solution

The fourth proportional to 13,802.08, 19,051.17 and 7,837.72 is: 10,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.08 : 19,051.17 = 7,837.72 : x
  2. Step 2: Convert to fraction form
    13,802.08/19,051.17 = 7,837.72/x
  3. Step 3: Cross multiply
    13,802.08x = 19,051.17 × 7,837.72
  4. Step 4: Simplify right side
    13,802.08x = 149,317,736.13
  5. Step 5: Solve for x
    x = 149,317,736.13/13,802.08
  6. Step 6: Final answer
    x = 10,818.50

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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.