Home / 13,947.48-20,924.49-4,587.51

Finding the Fourth Proportional to 13,947.48, 20,924.49 and 4,587.51

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Solution

The fourth proportional to 13,947.48, 20,924.49 and 4,587.51 is: 6,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.48 : 20,924.49 = 4,587.51 : x
  2. Step 2: Convert to fraction form
    13,947.48/20,924.49 = 4,587.51/x
  3. Step 3: Cross multiply
    13,947.48x = 20,924.49 × 4,587.51
  4. Step 4: Simplify right side
    13,947.48x = 95,991,307.12
  5. Step 5: Solve for x
    x = 95,991,307.12/13,947.48
  6. Step 6: Final answer
    x = 6,882.34

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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.