Home / 15,523.52-21,415.44-10,486.08

Finding the Fourth Proportional to 15,523.52, 21,415.44 and 10,486.08

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Solution

The fourth proportional to 15,523.52, 21,415.44 and 10,486.08 is: 14,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.52 : 21,415.44 = 10,486.08 : x
  2. Step 2: Convert to fraction form
    15,523.52/21,415.44 = 10,486.08/x
  3. Step 3: Cross multiply
    15,523.52x = 21,415.44 × 10,486.08
  4. Step 4: Simplify right side
    15,523.52x = 224,564,017.08
  5. Step 5: Solve for x
    x = 224,564,017.08/15,523.52
  6. Step 6: Final answer
    x = 14,466.05

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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.