Home / 14,086.20-19,438.95-7,798.58

Finding the Fourth Proportional to 14,086.20, 19,438.95 and 7,798.58

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Solution

The fourth proportional to 14,086.20, 19,438.95 and 7,798.58 is: 10,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.20 : 19,438.95 = 7,798.58 : x
  2. Step 2: Convert to fraction form
    14,086.20/19,438.95 = 7,798.58/x
  3. Step 3: Cross multiply
    14,086.20x = 19,438.95 × 7,798.58
  4. Step 4: Simplify right side
    14,086.20x = 151,596,211.64
  5. Step 5: Solve for x
    x = 151,596,211.64/14,086.20
  6. Step 6: Final answer
    x = 10,762.03

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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.