Home / 15,269.00-21,068.75-9,302.54

Finding the Fourth Proportional to 15,269.00, 21,068.75 and 9,302.54

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Solution

The fourth proportional to 15,269.00, 21,068.75 and 9,302.54 is: 12,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.00 : 21,068.75 = 9,302.54 : x
  2. Step 2: Convert to fraction form
    15,269.00/21,068.75 = 9,302.54/x
  3. Step 3: Cross multiply
    15,269.00x = 21,068.75 × 9,302.54
  4. Step 4: Simplify right side
    15,269.00x = 195,992,737.77
  5. Step 5: Solve for x
    x = 195,992,737.77/15,269.00
  6. Step 6: Final answer
    x = 12,835.99

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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.