Home / 19,550.72-26,987.52-13,265.92

Finding the Fourth Proportional to 19,550.72, 26,987.52 and 13,265.92

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Solution

The fourth proportional to 19,550.72, 26,987.52 and 13,265.92 is: 18,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.72 : 26,987.52 = 13,265.92 : x
  2. Step 2: Convert to fraction form
    19,550.72/26,987.52 = 13,265.92/x
  3. Step 3: Cross multiply
    19,550.72x = 26,987.52 × 13,265.92
  4. Step 4: Simplify right side
    19,550.72x = 358,014,281.32
  5. Step 5: Solve for x
    x = 358,014,281.32/19,550.72
  6. Step 6: Final answer
    x = 18,312.08

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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.