Home / 14,199.48-21,312.36-7,184.46

Finding the Fourth Proportional to 14,199.48, 21,312.36 and 7,184.46

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Solution

The fourth proportional to 14,199.48, 21,312.36 and 7,184.46 is: 10,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.48 : 21,312.36 = 7,184.46 : x
  2. Step 2: Convert to fraction form
    14,199.48/21,312.36 = 7,184.46/x
  3. Step 3: Cross multiply
    14,199.48x = 21,312.36 × 7,184.46
  4. Step 4: Simplify right side
    14,199.48x = 153,117,797.93
  5. Step 5: Solve for x
    x = 153,117,797.93/14,199.48
  6. Step 6: Final answer
    x = 10,783.34

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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.