Home / 13,301.90-19,955.73-6,641.98

Finding the Fourth Proportional to 13,301.90, 19,955.73 and 6,641.98

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Solution

The fourth proportional to 13,301.90, 19,955.73 and 6,641.98 is: 9,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.90 : 19,955.73 = 6,641.98 : x
  2. Step 2: Convert to fraction form
    13,301.90/19,955.73 = 6,641.98/x
  3. Step 3: Cross multiply
    13,301.90x = 19,955.73 × 6,641.98
  4. Step 4: Simplify right side
    13,301.90x = 132,545,459.77
  5. Step 5: Solve for x
    x = 132,545,459.77/13,301.90
  6. Step 6: Final answer
    x = 9,964.40

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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.