Home / 19,061.12-26,300.16-11,507.84

Finding the Fourth Proportional to 19,061.12, 26,300.16 and 11,507.84

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Solution

The fourth proportional to 19,061.12, 26,300.16 and 11,507.84 is: 15,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.12 : 26,300.16 = 11,507.84 : x
  2. Step 2: Convert to fraction form
    19,061.12/26,300.16 = 11,507.84/x
  3. Step 3: Cross multiply
    19,061.12x = 26,300.16 × 11,507.84
  4. Step 4: Simplify right side
    19,061.12x = 302,658,033.25
  5. Step 5: Solve for x
    x = 302,658,033.25/19,061.12
  6. Step 6: Final answer
    x = 15,878.29

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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.