Home / 13,328.17-19,973.79-4,999.80

Finding the Fourth Proportional to 13,328.17, 19,973.79 and 4,999.80

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Solution

The fourth proportional to 13,328.17, 19,973.79 and 4,999.80 is: 7,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.17 : 19,973.79 = 4,999.80 : x
  2. Step 2: Convert to fraction form
    13,328.17/19,973.79 = 4,999.80/x
  3. Step 3: Cross multiply
    13,328.17x = 19,973.79 × 4,999.80
  4. Step 4: Simplify right side
    13,328.17x = 99,864,955.24
  5. Step 5: Solve for x
    x = 99,864,955.24/13,328.17
  6. Step 6: Final answer
    x = 7,492.77

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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.