Home / 14,101.69-19,460.36-7,814.06

Finding the Fourth Proportional to 14,101.69, 19,460.36 and 7,814.06

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Solution

The fourth proportional to 14,101.69, 19,460.36 and 7,814.06 is: 10,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.69 : 19,460.36 = 7,814.06 : x
  2. Step 2: Convert to fraction form
    14,101.69/19,460.36 = 7,814.06/x
  3. Step 3: Cross multiply
    14,101.69x = 19,460.36 × 7,814.06
  4. Step 4: Simplify right side
    14,101.69x = 152,064,420.66
  5. Step 5: Solve for x
    x = 152,064,420.66/14,101.69
  6. Step 6: Final answer
    x = 10,783.42

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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.