Home / 19,590.75-29,386.07-7,110.77

Finding the Fourth Proportional to 19,590.75, 29,386.07 and 7,110.77

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Solution

The fourth proportional to 19,590.75, 29,386.07 and 7,110.77 is: 10,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.75 : 29,386.07 = 7,110.77 : x
  2. Step 2: Convert to fraction form
    19,590.75/29,386.07 = 7,110.77/x
  3. Step 3: Cross multiply
    19,590.75x = 29,386.07 × 7,110.77
  4. Step 4: Simplify right side
    19,590.75x = 208,957,402.49
  5. Step 5: Solve for x
    x = 208,957,402.49/19,590.75
  6. Step 6: Final answer
    x = 10,666.13

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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.