Home / 14,858.98-20,501.31-9,191.01

Finding the Fourth Proportional to 14,858.98, 20,501.31 and 9,191.01

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Solution

The fourth proportional to 14,858.98, 20,501.31 and 9,191.01 is: 12,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.98 : 20,501.31 = 9,191.01 : x
  2. Step 2: Convert to fraction form
    14,858.98/20,501.31 = 9,191.01/x
  3. Step 3: Cross multiply
    14,858.98x = 20,501.31 × 9,191.01
  4. Step 4: Simplify right side
    14,858.98x = 188,427,745.22
  5. Step 5: Solve for x
    x = 188,427,745.22/14,858.98
  6. Step 6: Final answer
    x = 12,681.07

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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.