Home / 12,823.70-19,238.03-4,925.63

Finding the Fourth Proportional to 12,823.70, 19,238.03 and 4,925.63

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Solution

The fourth proportional to 12,823.70, 19,238.03 and 4,925.63 is: 7,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.70 : 19,238.03 = 4,925.63 : x
  2. Step 2: Convert to fraction form
    12,823.70/19,238.03 = 4,925.63/x
  3. Step 3: Cross multiply
    12,823.70x = 19,238.03 × 4,925.63
  4. Step 4: Simplify right side
    12,823.70x = 94,759,296.89
  5. Step 5: Solve for x
    x = 94,759,296.89/12,823.70
  6. Step 6: Final answer
    x = 7,389.39

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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.