Home / 14,123.36-19,490.44-7,750.58

Finding the Fourth Proportional to 14,123.36, 19,490.44 and 7,750.58

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Solution

The fourth proportional to 14,123.36, 19,490.44 and 7,750.58 is: 10,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.36 : 19,490.44 = 7,750.58 : x
  2. Step 2: Convert to fraction form
    14,123.36/19,490.44 = 7,750.58/x
  3. Step 3: Cross multiply
    14,123.36x = 19,490.44 × 7,750.58
  4. Step 4: Simplify right side
    14,123.36x = 151,062,214.46
  5. Step 5: Solve for x
    x = 151,062,214.46/14,123.36
  6. Step 6: Final answer
    x = 10,695.91

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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.