Home / 14,382.23-19,723.55-13,783.50

Finding the Fourth Proportional to 14,382.23, 19,723.55 and 13,783.50

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Solution

The fourth proportional to 14,382.23, 19,723.55 and 13,783.50 is: 18,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.23 : 19,723.55 = 13,783.50 : x
  2. Step 2: Convert to fraction form
    14,382.23/19,723.55 = 13,783.50/x
  3. Step 3: Cross multiply
    14,382.23x = 19,723.55 × 13,783.50
  4. Step 4: Simplify right side
    14,382.23x = 271,859,482.51
  5. Step 5: Solve for x
    x = 271,859,482.51/14,382.23
  6. Step 6: Final answer
    x = 18,902.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.