Home / 13,313.23-19,969.85-4,548.22

Finding the Fourth Proportional to 13,313.23, 19,969.85 and 4,548.22

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Solution

The fourth proportional to 13,313.23, 19,969.85 and 4,548.22 is: 6,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.23 : 19,969.85 = 4,548.22 : x
  2. Step 2: Convert to fraction form
    13,313.23/19,969.85 = 4,548.22/x
  3. Step 3: Cross multiply
    13,313.23x = 19,969.85 × 4,548.22
  4. Step 4: Simplify right side
    13,313.23x = 90,827,271.17
  5. Step 5: Solve for x
    x = 90,827,271.17/13,313.23
  6. Step 6: Final answer
    x = 6,822.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.