Home / 15,397.04-21,256.08-11,852.48

Finding the Fourth Proportional to 15,397.04, 21,256.08 and 11,852.48

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Solution

The fourth proportional to 15,397.04, 21,256.08 and 11,852.48 is: 16,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.04 : 21,256.08 = 11,852.48 : x
  2. Step 2: Convert to fraction form
    15,397.04/21,256.08 = 11,852.48/x
  3. Step 3: Cross multiply
    15,397.04x = 21,256.08 × 11,852.48
  4. Step 4: Simplify right side
    15,397.04x = 251,937,263.08
  5. Step 5: Solve for x
    x = 251,937,263.08/15,397.04
  6. Step 6: Final answer
    x = 16,362.71

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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.