Home / 15,307.10-21,124.16-8,593.26

Finding the Fourth Proportional to 15,307.10, 21,124.16 and 8,593.26

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Solution

The fourth proportional to 15,307.10, 21,124.16 and 8,593.26 is: 11,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.10 : 21,124.16 = 8,593.26 : x
  2. Step 2: Convert to fraction form
    15,307.10/21,124.16 = 8,593.26/x
  3. Step 3: Cross multiply
    15,307.10x = 21,124.16 × 8,593.26
  4. Step 4: Simplify right side
    15,307.10x = 181,525,399.16
  5. Step 5: Solve for x
    x = 181,525,399.16/15,307.10
  6. Step 6: Final answer
    x = 11,858.90

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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.