Home / 13,892.19-19,170.48-7,603.35

Finding the Fourth Proportional to 13,892.19, 19,170.48 and 7,603.35

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Solution

The fourth proportional to 13,892.19, 19,170.48 and 7,603.35 is: 10,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.19 : 19,170.48 = 7,603.35 : x
  2. Step 2: Convert to fraction form
    13,892.19/19,170.48 = 7,603.35/x
  3. Step 3: Cross multiply
    13,892.19x = 19,170.48 × 7,603.35
  4. Step 4: Simplify right side
    13,892.19x = 145,759,869.11
  5. Step 5: Solve for x
    x = 145,759,869.11/13,892.19
  6. Step 6: Final answer
    x = 10,492.22

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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.