Home / 19,214.50-26,537.88-12,915.94

Finding the Fourth Proportional to 19,214.50, 26,537.88 and 12,915.94

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Solution

The fourth proportional to 19,214.50, 26,537.88 and 12,915.94 is: 17,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.50 : 26,537.88 = 12,915.94 : x
  2. Step 2: Convert to fraction form
    19,214.50/26,537.88 = 12,915.94/x
  3. Step 3: Cross multiply
    19,214.50x = 26,537.88 × 12,915.94
  4. Step 4: Simplify right side
    19,214.50x = 342,761,665.81
  5. Step 5: Solve for x
    x = 342,761,665.81/19,214.50
  6. Step 6: Final answer
    x = 17,838.70

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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.