Home / 14,513.36-20,032.70-9,478.35

Finding the Fourth Proportional to 14,513.36, 20,032.70 and 9,478.35

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Solution

The fourth proportional to 14,513.36, 20,032.70 and 9,478.35 is: 13,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.36 : 20,032.70 = 9,478.35 : x
  2. Step 2: Convert to fraction form
    14,513.36/20,032.70 = 9,478.35/x
  3. Step 3: Cross multiply
    14,513.36x = 20,032.70 × 9,478.35
  4. Step 4: Simplify right side
    14,513.36x = 189,876,894.65
  5. Step 5: Solve for x
    x = 189,876,894.65/14,513.36
  6. Step 6: Final answer
    x = 13,082.91

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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.