Home / 19,903.52-29,852.50-7,421.93

Finding the Fourth Proportional to 19,903.52, 29,852.50 and 7,421.93

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Solution

The fourth proportional to 19,903.52, 29,852.50 and 7,421.93 is: 11,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.52 : 29,852.50 = 7,421.93 : x
  2. Step 2: Convert to fraction form
    19,903.52/29,852.50 = 7,421.93/x
  3. Step 3: Cross multiply
    19,903.52x = 29,852.50 × 7,421.93
  4. Step 4: Simplify right side
    19,903.52x = 221,563,165.33
  5. Step 5: Solve for x
    x = 221,563,165.33/19,903.52
  6. Step 6: Final answer
    x = 11,131.86

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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.