Home / 15,263.24-21,060.81-8,549.15

Finding the Fourth Proportional to 15,263.24, 21,060.81 and 8,549.15

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Solution

The fourth proportional to 15,263.24, 21,060.81 and 8,549.15 is: 11,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.24 : 21,060.81 = 8,549.15 : x
  2. Step 2: Convert to fraction form
    15,263.24/21,060.81 = 8,549.15/x
  3. Step 3: Cross multiply
    15,263.24x = 21,060.81 × 8,549.15
  4. Step 4: Simplify right side
    15,263.24x = 180,051,918.51
  5. Step 5: Solve for x
    x = 180,051,918.51/15,263.24
  6. Step 6: Final answer
    x = 11,796.45

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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.