Home / 16,505.93-22,779.74-9,430.98

Finding the Fourth Proportional to 16,505.93, 22,779.74 and 9,430.98

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Solution

The fourth proportional to 16,505.93, 22,779.74 and 9,430.98 is: 13,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.93 : 22,779.74 = 9,430.98 : x
  2. Step 2: Convert to fraction form
    16,505.93/22,779.74 = 9,430.98/x
  3. Step 3: Cross multiply
    16,505.93x = 22,779.74 × 9,430.98
  4. Step 4: Simplify right side
    16,505.93x = 214,835,272.35
  5. Step 5: Solve for x
    x = 214,835,272.35/16,505.93
  6. Step 6: Final answer
    x = 13,015.64

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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.