Home / 14,156.12-19,501.68-9,899.22

Finding the Fourth Proportional to 14,156.12, 19,501.68 and 9,899.22

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Solution

The fourth proportional to 14,156.12, 19,501.68 and 9,899.22 is: 13,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.12 : 19,501.68 = 9,899.22 : x
  2. Step 2: Convert to fraction form
    14,156.12/19,501.68 = 9,899.22/x
  3. Step 3: Cross multiply
    14,156.12x = 19,501.68 × 9,899.22
  4. Step 4: Simplify right side
    14,156.12x = 193,051,420.69
  5. Step 5: Solve for x
    x = 193,051,420.69/14,156.12
  6. Step 6: Final answer
    x = 13,637.31

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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.