Home / 14,572.96-21,870.07-5,810.38

Finding the Fourth Proportional to 14,572.96, 21,870.07 and 5,810.38

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Solution

The fourth proportional to 14,572.96, 21,870.07 and 5,810.38 is: 8,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.96 : 21,870.07 = 5,810.38 : x
  2. Step 2: Convert to fraction form
    14,572.96/21,870.07 = 5,810.38/x
  3. Step 3: Cross multiply
    14,572.96x = 21,870.07 × 5,810.38
  4. Step 4: Simplify right side
    14,572.96x = 127,073,348.13
  5. Step 5: Solve for x
    x = 127,073,348.13/14,572.96
  6. Step 6: Final answer
    x = 8,719.81

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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.