Home / 14,430.26-19,915.62-8,464.22

Finding the Fourth Proportional to 14,430.26, 19,915.62 and 8,464.22

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Solution

The fourth proportional to 14,430.26, 19,915.62 and 8,464.22 is: 11,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.26 : 19,915.62 = 8,464.22 : x
  2. Step 2: Convert to fraction form
    14,430.26/19,915.62 = 8,464.22/x
  3. Step 3: Cross multiply
    14,430.26x = 19,915.62 × 8,464.22
  4. Step 4: Simplify right side
    14,430.26x = 168,570,189.12
  5. Step 5: Solve for x
    x = 168,570,189.12/14,430.26
  6. Step 6: Final answer
    x = 11,681.72

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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.