Home / 19,063.34-26,312.87-13,399.46

Finding the Fourth Proportional to 19,063.34, 26,312.87 and 13,399.46

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Solution

The fourth proportional to 19,063.34, 26,312.87 and 13,399.46 is: 18,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.34 : 26,312.87 = 13,399.46 : x
  2. Step 2: Convert to fraction form
    19,063.34/26,312.87 = 13,399.46/x
  3. Step 3: Cross multiply
    19,063.34x = 26,312.87 × 13,399.46
  4. Step 4: Simplify right side
    19,063.34x = 352,578,249.05
  5. Step 5: Solve for x
    x = 352,578,249.05/19,063.34
  6. Step 6: Final answer
    x = 18,495.09

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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.