Home / 16,888.10-23,308.47-9,818.63

Finding the Fourth Proportional to 16,888.10, 23,308.47 and 9,818.63

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Solution

The fourth proportional to 16,888.10, 23,308.47 and 9,818.63 is: 13,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.10 : 23,308.47 = 9,818.63 : x
  2. Step 2: Convert to fraction form
    16,888.10/23,308.47 = 9,818.63/x
  3. Step 3: Cross multiply
    16,888.10x = 23,308.47 × 9,818.63
  4. Step 4: Simplify right side
    16,888.10x = 228,857,126.25
  5. Step 5: Solve for x
    x = 228,857,126.25/16,888.10
  6. Step 6: Final answer
    x = 13,551.39

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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.