Home / 13,564.08-18,718.97-7,595.70

Finding the Fourth Proportional to 13,564.08, 18,718.97 and 7,595.70

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Solution

The fourth proportional to 13,564.08, 18,718.97 and 7,595.70 is: 10,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.08 : 18,718.97 = 7,595.70 : x
  2. Step 2: Convert to fraction form
    13,564.08/18,718.97 = 7,595.70/x
  3. Step 3: Cross multiply
    13,564.08x = 18,718.97 × 7,595.70
  4. Step 4: Simplify right side
    13,564.08x = 142,183,572.25
  5. Step 5: Solve for x
    x = 142,183,572.25/13,564.08
  6. Step 6: Final answer
    x = 10,482.36

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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.