Home / 14,412.58-19,888.96-8,039.36

Finding the Fourth Proportional to 14,412.58, 19,888.96 and 8,039.36

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Solution

The fourth proportional to 14,412.58, 19,888.96 and 8,039.36 is: 11,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.58 : 19,888.96 = 8,039.36 : x
  2. Step 2: Convert to fraction form
    14,412.58/19,888.96 = 8,039.36/x
  3. Step 3: Cross multiply
    14,412.58x = 19,888.96 × 8,039.36
  4. Step 4: Simplify right side
    14,412.58x = 159,894,509.47
  5. Step 5: Solve for x
    x = 159,894,509.47/14,412.58
  6. Step 6: Final answer
    x = 11,094.09

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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.