Home / 15,568.03-21,484.29-9,603.64

Finding the Fourth Proportional to 15,568.03, 21,484.29 and 9,603.64

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Solution

The fourth proportional to 15,568.03, 21,484.29 and 9,603.64 is: 13,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.03 : 21,484.29 = 9,603.64 : x
  2. Step 2: Convert to fraction form
    15,568.03/21,484.29 = 9,603.64/x
  3. Step 3: Cross multiply
    15,568.03x = 21,484.29 × 9,603.64
  4. Step 4: Simplify right side
    15,568.03x = 206,327,386.82
  5. Step 5: Solve for x
    x = 206,327,386.82/15,568.03
  6. Step 6: Final answer
    x = 13,253.28

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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.