Home / 19,188.02-26,490.93-13,877.30

Finding the Fourth Proportional to 19,188.02, 26,490.93 and 13,877.30

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Solution

The fourth proportional to 19,188.02, 26,490.93 and 13,877.30 is: 19,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.02 : 26,490.93 = 13,877.30 : x
  2. Step 2: Convert to fraction form
    19,188.02/26,490.93 = 13,877.30/x
  3. Step 3: Cross multiply
    19,188.02x = 26,490.93 × 13,877.30
  4. Step 4: Simplify right side
    19,188.02x = 367,622,582.89
  5. Step 5: Solve for x
    x = 367,622,582.89/19,188.02
  6. Step 6: Final answer
    x = 19,158.96

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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.