Home / 21,383.51-32,071.48-5,802.35

Finding the Fourth Proportional to 21,383.51, 32,071.48 and 5,802.35

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Solution

The fourth proportional to 21,383.51, 32,071.48 and 5,802.35 is: 8,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.51 : 32,071.48 = 5,802.35 : x
  2. Step 2: Convert to fraction form
    21,383.51/32,071.48 = 5,802.35/x
  3. Step 3: Cross multiply
    21,383.51x = 32,071.48 × 5,802.35
  4. Step 4: Simplify right side
    21,383.51x = 186,089,777.11
  5. Step 5: Solve for x
    x = 186,089,777.11/21,383.51
  6. Step 6: Final answer
    x = 8,702.49

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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.