Home / 19,058.64-28,587.08-5,207.60

Finding the Fourth Proportional to 19,058.64, 28,587.08 and 5,207.60

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Solution

The fourth proportional to 19,058.64, 28,587.08 and 5,207.60 is: 7,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.64 : 28,587.08 = 5,207.60 : x
  2. Step 2: Convert to fraction form
    19,058.64/28,587.08 = 5,207.60/x
  3. Step 3: Cross multiply
    19,058.64x = 28,587.08 × 5,207.60
  4. Step 4: Simplify right side
    19,058.64x = 148,870,077.81
  5. Step 5: Solve for x
    x = 148,870,077.81/19,058.64
  6. Step 6: Final answer
    x = 7,811.16

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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.