Home / 14,019.98-19,345.36-8,354.58

Finding the Fourth Proportional to 14,019.98, 19,345.36 and 8,354.58

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Solution

The fourth proportional to 14,019.98, 19,345.36 and 8,354.58 is: 11,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.98 : 19,345.36 = 8,354.58 : x
  2. Step 2: Convert to fraction form
    14,019.98/19,345.36 = 8,354.58/x
  3. Step 3: Cross multiply
    14,019.98x = 19,345.36 × 8,354.58
  4. Step 4: Simplify right side
    14,019.98x = 161,622,419.71
  5. Step 5: Solve for x
    x = 161,622,419.71/14,019.98
  6. Step 6: Final answer
    x = 11,528.01

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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.