Home / 19,109.16-26,379.54-12,746.34

Finding the Fourth Proportional to 19,109.16, 26,379.54 and 12,746.34

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Solution

The fourth proportional to 19,109.16, 26,379.54 and 12,746.34 is: 17,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.16 : 26,379.54 = 12,746.34 : x
  2. Step 2: Convert to fraction form
    19,109.16/26,379.54 = 12,746.34/x
  3. Step 3: Cross multiply
    19,109.16x = 26,379.54 × 12,746.34
  4. Step 4: Simplify right side
    19,109.16x = 336,242,585.88
  5. Step 5: Solve for x
    x = 336,242,585.88/19,109.16
  6. Step 6: Final answer
    x = 17,595.89

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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.