Home / 16,779.90-23,153.67-9,706.98

Finding the Fourth Proportional to 16,779.90, 23,153.67 and 9,706.98

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Solution

The fourth proportional to 16,779.90, 23,153.67 and 9,706.98 is: 13,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.90 : 23,153.67 = 9,706.98 : x
  2. Step 2: Convert to fraction form
    16,779.90/23,153.67 = 9,706.98/x
  3. Step 3: Cross multiply
    16,779.90x = 23,153.67 × 9,706.98
  4. Step 4: Simplify right side
    16,779.90x = 224,752,211.62
  5. Step 5: Solve for x
    x = 224,752,211.62/16,779.90
  6. Step 6: Final answer
    x = 13,394.13

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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.