Home / 16,915.17-23,289.43-14,897.20

Finding the Fourth Proportional to 16,915.17, 23,289.43 and 14,897.20

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Solution

The fourth proportional to 16,915.17, 23,289.43 and 14,897.20 is: 20,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.17 : 23,289.43 = 14,897.20 : x
  2. Step 2: Convert to fraction form
    16,915.17/23,289.43 = 14,897.20/x
  3. Step 3: Cross multiply
    16,915.17x = 23,289.43 × 14,897.20
  4. Step 4: Simplify right side
    16,915.17x = 346,947,296.60
  5. Step 5: Solve for x
    x = 346,947,296.60/16,915.17
  6. Step 6: Final answer
    x = 20,511.01

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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.