Home / 19,153.02-26,431.80-11,600.76

Finding the Fourth Proportional to 19,153.02, 26,431.80 and 11,600.76

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Solution

The fourth proportional to 19,153.02, 26,431.80 and 11,600.76 is: 16,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.02 : 26,431.80 = 11,600.76 : x
  2. Step 2: Convert to fraction form
    19,153.02/26,431.80 = 11,600.76/x
  3. Step 3: Cross multiply
    19,153.02x = 26,431.80 × 11,600.76
  4. Step 4: Simplify right side
    19,153.02x = 306,628,968.17
  5. Step 5: Solve for x
    x = 306,628,968.17/19,153.02
  6. Step 6: Final answer
    x = 16,009.43

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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.