Home / 25,515.81-35,229-22,818.66

Finding the Fourth Proportional to 25,515.81, 35,229 and 22,818.66

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Solution

The fourth proportional to 25,515.81, 35,229 and 22,818.66 is: 31,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.81 : 35,229 = 22,818.66 : x
  2. Step 2: Convert to fraction form
    25,515.81/35,229 = 22,818.66/x
  3. Step 3: Cross multiply
    25,515.81x = 35,229 × 22,818.66
  4. Step 4: Simplify right side
    25,515.81x = 803,878,573.14
  5. Step 5: Solve for x
    x = 803,878,573.14/25,515.81
  6. Step 6: Final answer
    x = 31,505.12

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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.