Home / 23,148.59-31,915.22-18,895.28

Finding the Fourth Proportional to 23,148.59, 31,915.22 and 18,895.28

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Solution

The fourth proportional to 23,148.59, 31,915.22 and 18,895.28 is: 26,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.59 : 31,915.22 = 18,895.28 : x
  2. Step 2: Convert to fraction form
    23,148.59/31,915.22 = 18,895.28/x
  3. Step 3: Cross multiply
    23,148.59x = 31,915.22 × 18,895.28
  4. Step 4: Simplify right side
    23,148.59x = 603,046,764.11
  5. Step 5: Solve for x
    x = 603,046,764.11/23,148.59
  6. Step 6: Final answer
    x = 26,051.13

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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.