Home / 14,178.80-19,561.48-14,156.93

Finding the Fourth Proportional to 14,178.80, 19,561.48 and 14,156.93

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Solution

The fourth proportional to 14,178.80, 19,561.48 and 14,156.93 is: 19,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.80 : 19,561.48 = 14,156.93 : x
  2. Step 2: Convert to fraction form
    14,178.80/19,561.48 = 14,156.93/x
  3. Step 3: Cross multiply
    14,178.80x = 19,561.48 × 14,156.93
  4. Step 4: Simplify right side
    14,178.80x = 276,930,516.57
  5. Step 5: Solve for x
    x = 276,930,516.57/14,178.80
  6. Step 6: Final answer
    x = 19,531.31

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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.