Home / 16,798.61-23,178.15-14,120.01

Finding the Fourth Proportional to 16,798.61, 23,178.15 and 14,120.01

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Solution

The fourth proportional to 16,798.61, 23,178.15 and 14,120.01 is: 19,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.61 : 23,178.15 = 14,120.01 : x
  2. Step 2: Convert to fraction form
    16,798.61/23,178.15 = 14,120.01/x
  3. Step 3: Cross multiply
    16,798.61x = 23,178.15 × 14,120.01
  4. Step 4: Simplify right side
    16,798.61x = 327,275,709.78
  5. Step 5: Solve for x
    x = 327,275,709.78/16,798.61
  6. Step 6: Final answer
    x = 19,482.31

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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.