Home / 13,123.02-19,679.76-4,800.59

Finding the Fourth Proportional to 13,123.02, 19,679.76 and 4,800.59

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Solution

The fourth proportional to 13,123.02, 19,679.76 and 4,800.59 is: 7,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.02 : 19,679.76 = 4,800.59 : x
  2. Step 2: Convert to fraction form
    13,123.02/19,679.76 = 4,800.59/x
  3. Step 3: Cross multiply
    13,123.02x = 19,679.76 × 4,800.59
  4. Step 4: Simplify right side
    13,123.02x = 94,474,360.66
  5. Step 5: Solve for x
    x = 94,474,360.66/13,123.02
  6. Step 6: Final answer
    x = 7,199.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.