Home / 15,298.49-21,108.80-11,056.01

Finding the Fourth Proportional to 15,298.49, 21,108.80 and 11,056.01

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Solution

The fourth proportional to 15,298.49, 21,108.80 and 11,056.01 is: 15,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.49 : 21,108.80 = 11,056.01 : x
  2. Step 2: Convert to fraction form
    15,298.49/21,108.80 = 11,056.01/x
  3. Step 3: Cross multiply
    15,298.49x = 21,108.80 × 11,056.01
  4. Step 4: Simplify right side
    15,298.49x = 233,378,943.06
  5. Step 5: Solve for x
    x = 233,378,943.06/15,298.49
  6. Step 6: Final answer
    x = 15,255.04

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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.