Home / 16,947.34-23,386.94-9,777.28

Finding the Fourth Proportional to 16,947.34, 23,386.94 and 9,777.28

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Solution

The fourth proportional to 16,947.34, 23,386.94 and 9,777.28 is: 13,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.34 : 23,386.94 = 9,777.28 : x
  2. Step 2: Convert to fraction form
    16,947.34/23,386.94 = 9,777.28/x
  3. Step 3: Cross multiply
    16,947.34x = 23,386.94 × 9,777.28
  4. Step 4: Simplify right side
    16,947.34x = 228,660,494.90
  5. Step 5: Solve for x
    x = 228,660,494.90/16,947.34
  6. Step 6: Final answer
    x = 13,492.41

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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.