Home / 19,276.72-26,602.08-11,319.04

Finding the Fourth Proportional to 19,276.72, 26,602.08 and 11,319.04

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Solution

The fourth proportional to 19,276.72, 26,602.08 and 11,319.04 is: 15,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.72 : 26,602.08 = 11,319.04 : x
  2. Step 2: Convert to fraction form
    19,276.72/26,602.08 = 11,319.04/x
  3. Step 3: Cross multiply
    19,276.72x = 26,602.08 × 11,319.04
  4. Step 4: Simplify right side
    19,276.72x = 301,110,007.60
  5. Step 5: Solve for x
    x = 301,110,007.60/19,276.72
  6. Step 6: Final answer
    x = 15,620.40

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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.