Home / 14,177.15-19,565.12-7,889.93

Finding the Fourth Proportional to 14,177.15, 19,565.12 and 7,889.93

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Solution

The fourth proportional to 14,177.15, 19,565.12 and 7,889.93 is: 10,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.15 : 19,565.12 = 7,889.93 : x
  2. Step 2: Convert to fraction form
    14,177.15/19,565.12 = 7,889.93/x
  3. Step 3: Cross multiply
    14,177.15x = 19,565.12 × 7,889.93
  4. Step 4: Simplify right side
    14,177.15x = 154,367,427.24
  5. Step 5: Solve for x
    x = 154,367,427.24/14,177.15
  6. Step 6: Final answer
    x = 10,888.47

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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.