Home / 19,215.02-26,522.64-11,259.81

Finding the Fourth Proportional to 19,215.02, 26,522.64 and 11,259.81

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Solution

The fourth proportional to 19,215.02, 26,522.64 and 11,259.81 is: 15,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.02 : 26,522.64 = 11,259.81 : x
  2. Step 2: Convert to fraction form
    19,215.02/26,522.64 = 11,259.81/x
  3. Step 3: Cross multiply
    19,215.02x = 26,522.64 × 11,259.81
  4. Step 4: Simplify right side
    19,215.02x = 298,639,887.10
  5. Step 5: Solve for x
    x = 298,639,887.10/19,215.02
  6. Step 6: Final answer
    x = 15,542.00

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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.