Home / 13,266.58-18,301.74-7,952.17

Finding the Fourth Proportional to 13,266.58, 18,301.74 and 7,952.17

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Solution

The fourth proportional to 13,266.58, 18,301.74 and 7,952.17 is: 10,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.58 : 18,301.74 = 7,952.17 : x
  2. Step 2: Convert to fraction form
    13,266.58/18,301.74 = 7,952.17/x
  3. Step 3: Cross multiply
    13,266.58x = 18,301.74 × 7,952.17
  4. Step 4: Simplify right side
    13,266.58x = 145,538,547.78
  5. Step 5: Solve for x
    x = 145,538,547.78/13,266.58
  6. Step 6: Final answer
    x = 10,970.31

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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.