Home / 14,071.63-19,418.84-7,784.95

Finding the Fourth Proportional to 14,071.63, 19,418.84 and 7,784.95

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Solution

The fourth proportional to 14,071.63, 19,418.84 and 7,784.95 is: 10,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.63 : 19,418.84 = 7,784.95 : x
  2. Step 2: Convert to fraction form
    14,071.63/19,418.84 = 7,784.95/x
  3. Step 3: Cross multiply
    14,071.63x = 19,418.84 × 7,784.95
  4. Step 4: Simplify right side
    14,071.63x = 151,174,698.46
  5. Step 5: Solve for x
    x = 151,174,698.46/14,071.63
  6. Step 6: Final answer
    x = 10,743.23

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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.