Home / 13,822.08-19,074.36-7,534.32

Finding the Fourth Proportional to 13,822.08, 19,074.36 and 7,534.32

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Solution

The fourth proportional to 13,822.08, 19,074.36 and 7,534.32 is: 10,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.08 : 19,074.36 = 7,534.32 : x
  2. Step 2: Convert to fraction form
    13,822.08/19,074.36 = 7,534.32/x
  3. Step 3: Cross multiply
    13,822.08x = 19,074.36 × 7,534.32
  4. Step 4: Simplify right side
    13,822.08x = 143,712,332.04
  5. Step 5: Solve for x
    x = 143,712,332.04/13,822.08
  6. Step 6: Final answer
    x = 10,397.30

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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.