Home / 19,535.02-26,957.13-11,981.36

Finding the Fourth Proportional to 19,535.02, 26,957.13 and 11,981.36

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Solution

The fourth proportional to 19,535.02, 26,957.13 and 11,981.36 is: 16,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.02 : 26,957.13 = 11,981.36 : x
  2. Step 2: Convert to fraction form
    19,535.02/26,957.13 = 11,981.36/x
  3. Step 3: Cross multiply
    19,535.02x = 26,957.13 × 11,981.36
  4. Step 4: Simplify right side
    19,535.02x = 322,983,079.10
  5. Step 5: Solve for x
    x = 322,983,079.10/19,535.02
  6. Step 6: Final answer
    x = 16,533.54

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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.