Home / 14,570.28-21,862.71-5,811.35

Finding the Fourth Proportional to 14,570.28, 21,862.71 and 5,811.35

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Solution

The fourth proportional to 14,570.28, 21,862.71 and 5,811.35 is: 8,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.28 : 21,862.71 = 5,811.35 : x
  2. Step 2: Convert to fraction form
    14,570.28/21,862.71 = 5,811.35/x
  3. Step 3: Cross multiply
    14,570.28x = 21,862.71 × 5,811.35
  4. Step 4: Simplify right side
    14,570.28x = 127,051,750.44
  5. Step 5: Solve for x
    x = 127,051,750.44/14,570.28
  6. Step 6: Final answer
    x = 8,719.93

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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.