Home / 18,864.16-26,023.44-12,568.48

Finding the Fourth Proportional to 18,864.16, 26,023.44 and 12,568.48

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Solution

The fourth proportional to 18,864.16, 26,023.44 and 12,568.48 is: 17,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.16 : 26,023.44 = 12,568.48 : x
  2. Step 2: Convert to fraction form
    18,864.16/26,023.44 = 12,568.48/x
  3. Step 3: Cross multiply
    18,864.16x = 26,023.44 × 12,568.48
  4. Step 4: Simplify right side
    18,864.16x = 327,075,085.17
  5. Step 5: Solve for x
    x = 327,075,085.17/18,864.16
  6. Step 6: Final answer
    x = 17,338.44

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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.