Home / 15,254.06-21,053.32-11,074.46

Finding the Fourth Proportional to 15,254.06, 21,053.32 and 11,074.46

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Solution

The fourth proportional to 15,254.06, 21,053.32 and 11,074.46 is: 15,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.06 : 21,053.32 = 11,074.46 : x
  2. Step 2: Convert to fraction form
    15,254.06/21,053.32 = 11,074.46/x
  3. Step 3: Cross multiply
    15,254.06x = 21,053.32 × 11,074.46
  4. Step 4: Simplify right side
    15,254.06x = 233,154,017.25
  5. Step 5: Solve for x
    x = 233,154,017.25/15,254.06
  6. Step 6: Final answer
    x = 15,284.72

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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.