Home / 18,559.17-25,612.29-13,266.63

Finding the Fourth Proportional to 18,559.17, 25,612.29 and 13,266.63

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Solution

The fourth proportional to 18,559.17, 25,612.29 and 13,266.63 is: 18,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.17 : 25,612.29 = 13,266.63 : x
  2. Step 2: Convert to fraction form
    18,559.17/25,612.29 = 13,266.63/x
  3. Step 3: Cross multiply
    18,559.17x = 25,612.29 × 13,266.63
  4. Step 4: Simplify right side
    18,559.17x = 339,788,774.88
  5. Step 5: Solve for x
    x = 339,788,774.88/18,559.17
  6. Step 6: Final answer
    x = 18,308.40

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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.