Home / 22,703.04-31,334.40-13,268.16

Finding the Fourth Proportional to 22,703.04, 31,334.40 and 13,268.16

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Solution

The fourth proportional to 22,703.04, 31,334.40 and 13,268.16 is: 18,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.04 : 31,334.40 = 13,268.16 : x
  2. Step 2: Convert to fraction form
    22,703.04/31,334.40 = 13,268.16/x
  3. Step 3: Cross multiply
    22,703.04x = 31,334.40 × 13,268.16
  4. Step 4: Simplify right side
    22,703.04x = 415,749,832.70
  5. Step 5: Solve for x
    x = 415,749,832.70/22,703.04
  6. Step 6: Final answer
    x = 18,312.52

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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.