Home / 15,616.54-21,537.20-11,070.23

Finding the Fourth Proportional to 15,616.54, 21,537.20 and 11,070.23

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Solution

The fourth proportional to 15,616.54, 21,537.20 and 11,070.23 is: 15,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.54 : 21,537.20 = 11,070.23 : x
  2. Step 2: Convert to fraction form
    15,616.54/21,537.20 = 11,070.23/x
  3. Step 3: Cross multiply
    15,616.54x = 21,537.20 × 11,070.23
  4. Step 4: Simplify right side
    15,616.54x = 238,421,798.69
  5. Step 5: Solve for x
    x = 238,421,798.69/15,616.54
  6. Step 6: Final answer
    x = 15,267.26

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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.