Home / 18,329.72-25,293.74-10,776.38

Finding the Fourth Proportional to 18,329.72, 25,293.74 and 10,776.38

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Solution

The fourth proportional to 18,329.72, 25,293.74 and 10,776.38 is: 14,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.72 : 25,293.74 = 10,776.38 : x
  2. Step 2: Convert to fraction form
    18,329.72/25,293.74 = 10,776.38/x
  3. Step 3: Cross multiply
    18,329.72x = 25,293.74 × 10,776.38
  4. Step 4: Simplify right side
    18,329.72x = 272,574,773.51
  5. Step 5: Solve for x
    x = 272,574,773.51/18,329.72
  6. Step 6: Final answer
    x = 14,870.65

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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.