Home / 14,085.88-19,438.71-7,798.66

Finding the Fourth Proportional to 14,085.88, 19,438.71 and 7,798.66

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Solution

The fourth proportional to 14,085.88, 19,438.71 and 7,798.66 is: 10,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.88 : 19,438.71 = 7,798.66 : x
  2. Step 2: Convert to fraction form
    14,085.88/19,438.71 = 7,798.66/x
  3. Step 3: Cross multiply
    14,085.88x = 19,438.71 × 7,798.66
  4. Step 4: Simplify right side
    14,085.88x = 151,595,890.13
  5. Step 5: Solve for x
    x = 151,595,890.13/14,085.88
  6. Step 6: Final answer
    x = 10,762.26

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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.