Home / 19,341.08-26,662.48-13,658.12

Finding the Fourth Proportional to 19,341.08, 26,662.48 and 13,658.12

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Solution

The fourth proportional to 19,341.08, 26,662.48 and 13,658.12 is: 18,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.08 : 26,662.48 = 13,658.12 : x
  2. Step 2: Convert to fraction form
    19,341.08/26,662.48 = 13,658.12/x
  3. Step 3: Cross multiply
    19,341.08x = 26,662.48 × 13,658.12
  4. Step 4: Simplify right side
    19,341.08x = 364,159,351.34
  5. Step 5: Solve for x
    x = 364,159,351.34/19,341.08
  6. Step 6: Final answer
    x = 18,828.28

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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.