Home / 21,141.02-31,693.70-10,598.06

Finding the Fourth Proportional to 21,141.02, 31,693.70 and 10,598.06

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Solution

The fourth proportional to 21,141.02, 31,693.70 and 10,598.06 is: 15,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141.02 : 31,693.70 = 10,598.06 : x
  2. Step 2: Convert to fraction form
    21,141.02/31,693.70 = 10,598.06/x
  3. Step 3: Cross multiply
    21,141.02x = 31,693.70 × 10,598.06
  4. Step 4: Simplify right side
    21,141.02x = 335,891,734.22
  5. Step 5: Solve for x
    x = 335,891,734.22/21,141.02
  6. Step 6: Final answer
    x = 15,888.15

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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.