Home / 15,899.73-21,930.23-9,848.01

Finding the Fourth Proportional to 15,899.73, 21,930.23 and 9,848.01

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Solution

The fourth proportional to 15,899.73, 21,930.23 and 9,848.01 is: 13,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.73 : 21,930.23 = 9,848.01 : x
  2. Step 2: Convert to fraction form
    15,899.73/21,930.23 = 9,848.01/x
  3. Step 3: Cross multiply
    15,899.73x = 21,930.23 × 9,848.01
  4. Step 4: Simplify right side
    15,899.73x = 215,969,075.10
  5. Step 5: Solve for x
    x = 215,969,075.10/15,899.73
  6. Step 6: Final answer
    x = 13,583.19

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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.