Home / 19,275.24-28,908.06-9,409.32

Finding the Fourth Proportional to 19,275.24, 28,908.06 and 9,409.32

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Solution

The fourth proportional to 19,275.24, 28,908.06 and 9,409.32 is: 14,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.24 : 28,908.06 = 9,409.32 : x
  2. Step 2: Convert to fraction form
    19,275.24/28,908.06 = 9,409.32/x
  3. Step 3: Cross multiply
    19,275.24x = 28,908.06 × 9,409.32
  4. Step 4: Simplify right side
    19,275.24x = 272,005,187.12
  5. Step 5: Solve for x
    x = 272,005,187.12/19,275.24
  6. Step 6: Final answer
    x = 14,111.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.