Home / 14,177.59-19,566.93-8,130.20

Finding the Fourth Proportional to 14,177.59, 19,566.93 and 8,130.20

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Solution

The fourth proportional to 14,177.59, 19,566.93 and 8,130.20 is: 11,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.59 : 19,566.93 = 8,130.20 : x
  2. Step 2: Convert to fraction form
    14,177.59/19,566.93 = 8,130.20/x
  3. Step 3: Cross multiply
    14,177.59x = 19,566.93 × 8,130.20
  4. Step 4: Simplify right side
    14,177.59x = 159,082,986.94
  5. Step 5: Solve for x
    x = 159,082,986.94/14,177.59
  6. Step 6: Final answer
    x = 11,220.74

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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.