Home / 13,948.48-19,262.40-9,969.60

Finding the Fourth Proportional to 13,948.48, 19,262.40 and 9,969.60

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Solution

The fourth proportional to 13,948.48, 19,262.40 and 9,969.60 is: 13,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.48 : 19,262.40 = 9,969.60 : x
  2. Step 2: Convert to fraction form
    13,948.48/19,262.40 = 9,969.60/x
  3. Step 3: Cross multiply
    13,948.48x = 19,262.40 × 9,969.60
  4. Step 4: Simplify right side
    13,948.48x = 192,038,423.04
  5. Step 5: Solve for x
    x = 192,038,423.04/13,948.48
  6. Step 6: Final answer
    x = 13,767.70

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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.