Home / 19,420.02-26,808.65-14,641.89

Finding the Fourth Proportional to 19,420.02, 26,808.65 and 14,641.89

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Solution

The fourth proportional to 19,420.02, 26,808.65 and 14,641.89 is: 20,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.02 : 26,808.65 = 14,641.89 : x
  2. Step 2: Convert to fraction form
    19,420.02/26,808.65 = 14,641.89/x
  3. Step 3: Cross multiply
    19,420.02x = 26,808.65 × 14,641.89
  4. Step 4: Simplify right side
    19,420.02x = 392,529,231.14
  5. Step 5: Solve for x
    x = 392,529,231.14/19,420.02
  6. Step 6: Final answer
    x = 20,212.61

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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.