Home / 19,458.55-29,187.53-13,203.01

Finding the Fourth Proportional to 19,458.55, 29,187.53 and 13,203.01

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Solution

The fourth proportional to 19,458.55, 29,187.53 and 13,203.01 is: 19,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.55 : 29,187.53 = 13,203.01 : x
  2. Step 2: Convert to fraction form
    19,458.55/29,187.53 = 13,203.01/x
  3. Step 3: Cross multiply
    19,458.55x = 29,187.53 × 13,203.01
  4. Step 4: Simplify right side
    19,458.55x = 385,363,184.45
  5. Step 5: Solve for x
    x = 385,363,184.45/19,458.55
  6. Step 6: Final answer
    x = 19,804.31

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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.