Home / 13,054.08-18,017.76-7,468.32

Finding the Fourth Proportional to 13,054.08, 18,017.76 and 7,468.32

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Solution

The fourth proportional to 13,054.08, 18,017.76 and 7,468.32 is: 10,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.08 : 18,017.76 = 7,468.32 : x
  2. Step 2: Convert to fraction form
    13,054.08/18,017.76 = 7,468.32/x
  3. Step 3: Cross multiply
    13,054.08x = 18,017.76 × 7,468.32
  4. Step 4: Simplify right side
    13,054.08x = 134,562,397.36
  5. Step 5: Solve for x
    x = 134,562,397.36/13,054.08
  6. Step 6: Final answer
    x = 10,308.07

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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.