Home / 13,951.08-19,261.53-9,700.74

Finding the Fourth Proportional to 13,951.08, 19,261.53 and 9,700.74

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Solution

The fourth proportional to 13,951.08, 19,261.53 and 9,700.74 is: 13,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.08 : 19,261.53 = 9,700.74 : x
  2. Step 2: Convert to fraction form
    13,951.08/19,261.53 = 9,700.74/x
  3. Step 3: Cross multiply
    13,951.08x = 19,261.53 × 9,700.74
  4. Step 4: Simplify right side
    13,951.08x = 186,851,094.53
  5. Step 5: Solve for x
    x = 186,851,094.53/13,951.08
  6. Step 6: Final answer
    x = 13,393.31

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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.