Home / 19,404.95-26,779.36-10,907.85

Finding the Fourth Proportional to 19,404.95, 26,779.36 and 10,907.85

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Solution

The fourth proportional to 19,404.95, 26,779.36 and 10,907.85 is: 15,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.95 : 26,779.36 = 10,907.85 : x
  2. Step 2: Convert to fraction form
    19,404.95/26,779.36 = 10,907.85/x
  3. Step 3: Cross multiply
    19,404.95x = 26,779.36 × 10,907.85
  4. Step 4: Simplify right side
    19,404.95x = 292,105,297.92
  5. Step 5: Solve for x
    x = 292,105,297.92/19,404.95
  6. Step 6: Final answer
    x = 15,053.13

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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.