Home / 13,301.16-19,955.16-4,981.30

Finding the Fourth Proportional to 13,301.16, 19,955.16 and 4,981.30

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Solution

The fourth proportional to 13,301.16, 19,955.16 and 4,981.30 is: 7,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.16 : 19,955.16 = 4,981.30 : x
  2. Step 2: Convert to fraction form
    13,301.16/19,955.16 = 4,981.30/x
  3. Step 3: Cross multiply
    13,301.16x = 19,955.16 × 4,981.30
  4. Step 4: Simplify right side
    13,301.16x = 99,402,638.51
  5. Step 5: Solve for x
    x = 99,402,638.51/13,301.16
  6. Step 6: Final answer
    x = 7,473.23

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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.