Home / 15,729.68-23,602.80-6,970.64

Finding the Fourth Proportional to 15,729.68, 23,602.80 and 6,970.64

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Solution

The fourth proportional to 15,729.68, 23,602.80 and 6,970.64 is: 10,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.68 : 23,602.80 = 6,970.64 : x
  2. Step 2: Convert to fraction form
    15,729.68/23,602.80 = 6,970.64/x
  3. Step 3: Cross multiply
    15,729.68x = 23,602.80 × 6,970.64
  4. Step 4: Simplify right side
    15,729.68x = 164,526,621.79
  5. Step 5: Solve for x
    x = 164,526,621.79/15,729.68
  6. Step 6: Final answer
    x = 10,459.63

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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.