Home / 15,955.02-22,014.72-9,663.75

Finding the Fourth Proportional to 15,955.02, 22,014.72 and 9,663.75

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Solution

The fourth proportional to 15,955.02, 22,014.72 and 9,663.75 is: 13,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.02 : 22,014.72 = 9,663.75 : x
  2. Step 2: Convert to fraction form
    15,955.02/22,014.72 = 9,663.75/x
  3. Step 3: Cross multiply
    15,955.02x = 22,014.72 × 9,663.75
  4. Step 4: Simplify right side
    15,955.02x = 212,744,750.40
  5. Step 5: Solve for x
    x = 212,744,750.40/15,955.02
  6. Step 6: Final answer
    x = 13,334.03

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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.