Home / 19,301.64-26,636.63-15,057.50

Finding the Fourth Proportional to 19,301.64, 26,636.63 and 15,057.50

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Solution

The fourth proportional to 19,301.64, 26,636.63 and 15,057.50 is: 20,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.64 : 26,636.63 = 15,057.50 : x
  2. Step 2: Convert to fraction form
    19,301.64/26,636.63 = 15,057.50/x
  3. Step 3: Cross multiply
    19,301.64x = 26,636.63 × 15,057.50
  4. Step 4: Simplify right side
    19,301.64x = 401,080,995.98
  5. Step 5: Solve for x
    x = 401,080,995.98/19,301.64
  6. Step 6: Final answer
    x = 20,779.63

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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.