Home / 16,899.98-23,319.93-9,345.29

Finding the Fourth Proportional to 16,899.98, 23,319.93 and 9,345.29

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Solution

The fourth proportional to 16,899.98, 23,319.93 and 9,345.29 is: 12,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.98 : 23,319.93 = 9,345.29 : x
  2. Step 2: Convert to fraction form
    16,899.98/23,319.93 = 9,345.29/x
  3. Step 3: Cross multiply
    16,899.98x = 23,319.93 × 9,345.29
  4. Step 4: Simplify right side
    16,899.98x = 217,931,508.63
  5. Step 5: Solve for x
    x = 217,931,508.63/16,899.98
  6. Step 6: Final answer
    x = 12,895.37

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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.