Home / 19,140.16-26,410.22-10,642.04

Finding the Fourth Proportional to 19,140.16, 26,410.22 and 10,642.04

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Solution

The fourth proportional to 19,140.16, 26,410.22 and 10,642.04 is: 14,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.16 : 26,410.22 = 10,642.04 : x
  2. Step 2: Convert to fraction form
    19,140.16/26,410.22 = 10,642.04/x
  3. Step 3: Cross multiply
    19,140.16x = 26,410.22 × 10,642.04
  4. Step 4: Simplify right side
    19,140.16x = 281,058,617.65
  5. Step 5: Solve for x
    x = 281,058,617.65/19,140.16
  6. Step 6: Final answer
    x = 14,684.24

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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.