Home / 19,587.54-27,030.32-11,203.50

Finding the Fourth Proportional to 19,587.54, 27,030.32 and 11,203.50

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Solution

The fourth proportional to 19,587.54, 27,030.32 and 11,203.50 is: 15,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.54 : 27,030.32 = 11,203.50 : x
  2. Step 2: Convert to fraction form
    19,587.54/27,030.32 = 11,203.50/x
  3. Step 3: Cross multiply
    19,587.54x = 27,030.32 × 11,203.50
  4. Step 4: Simplify right side
    19,587.54x = 302,834,190.12
  5. Step 5: Solve for x
    x = 302,834,190.12/19,587.54
  6. Step 6: Final answer
    x = 15,460.55

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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.