Home / 16,779.18-23,153.82-9,706.08

Finding the Fourth Proportional to 16,779.18, 23,153.82 and 9,706.08

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Solution

The fourth proportional to 16,779.18, 23,153.82 and 9,706.08 is: 13,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.18 : 23,153.82 = 9,706.08 : x
  2. Step 2: Convert to fraction form
    16,779.18/23,153.82 = 9,706.08/x
  3. Step 3: Cross multiply
    16,779.18x = 23,153.82 × 9,706.08
  4. Step 4: Simplify right side
    16,779.18x = 224,732,829.23
  5. Step 5: Solve for x
    x = 224,732,829.23/16,779.18
  6. Step 6: Final answer
    x = 13,393.55

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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.