Home / 28,643.04-39,523.44-16,707.51

Finding the Fourth Proportional to 28,643.04, 39,523.44 and 16,707.51

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Solution

The fourth proportional to 28,643.04, 39,523.44 and 16,707.51 is: 23,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.04 : 39,523.44 = 16,707.51 : x
  2. Step 2: Convert to fraction form
    28,643.04/39,523.44 = 16,707.51/x
  3. Step 3: Cross multiply
    28,643.04x = 39,523.44 × 16,707.51
  4. Step 4: Simplify right side
    28,643.04x = 660,338,269.03
  5. Step 5: Solve for x
    x = 660,338,269.03/28,643.04
  6. Step 6: Final answer
    x = 23,054.06

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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.