Home / 15,307.02-21,123.15-8,593.04

Finding the Fourth Proportional to 15,307.02, 21,123.15 and 8,593.04

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Solution

The fourth proportional to 15,307.02, 21,123.15 and 8,593.04 is: 11,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.02 : 21,123.15 = 8,593.04 : x
  2. Step 2: Convert to fraction form
    15,307.02/21,123.15 = 8,593.04/x
  3. Step 3: Cross multiply
    15,307.02x = 21,123.15 × 8,593.04
  4. Step 4: Simplify right side
    15,307.02x = 181,511,967.26
  5. Step 5: Solve for x
    x = 181,511,967.26/15,307.02
  6. Step 6: Final answer
    x = 11,858.09

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Half scale
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Double scale
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Similar ratio
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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.