Home / 15,876.36-23,815.74-5,346.40

Finding the Fourth Proportional to 15,876.36, 23,815.74 and 5,346.40

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Solution

The fourth proportional to 15,876.36, 23,815.74 and 5,346.40 is: 8,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.36 : 23,815.74 = 5,346.40 : x
  2. Step 2: Convert to fraction form
    15,876.36/23,815.74 = 5,346.40/x
  3. Step 3: Cross multiply
    15,876.36x = 23,815.74 × 5,346.40
  4. Step 4: Simplify right side
    15,876.36x = 127,328,472.34
  5. Step 5: Solve for x
    x = 127,328,472.34/15,876.36
  6. Step 6: Final answer
    x = 8,020.00

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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.