Home / 13,057.07-19,588.03-4,298.13

Finding the Fourth Proportional to 13,057.07, 19,588.03 and 4,298.13

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Solution

The fourth proportional to 13,057.07, 19,588.03 and 4,298.13 is: 6,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.07 : 19,588.03 = 4,298.13 : x
  2. Step 2: Convert to fraction form
    13,057.07/19,588.03 = 4,298.13/x
  3. Step 3: Cross multiply
    13,057.07x = 19,588.03 × 4,298.13
  4. Step 4: Simplify right side
    13,057.07x = 84,191,888.64
  5. Step 5: Solve for x
    x = 84,191,888.64/13,057.07
  6. Step 6: Final answer
    x = 6,447.99

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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.