Home / 32,915.16-45,415.08-18,762.84

Finding the Fourth Proportional to 32,915.16, 45,415.08 and 18,762.84

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Solution

The fourth proportional to 32,915.16, 45,415.08 and 18,762.84 is: 25,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.16 : 45,415.08 = 18,762.84 : x
  2. Step 2: Convert to fraction form
    32,915.16/45,415.08 = 18,762.84/x
  3. Step 3: Cross multiply
    32,915.16x = 45,415.08 × 18,762.84
  4. Step 4: Simplify right side
    32,915.16x = 852,115,879.63
  5. Step 5: Solve for x
    x = 852,115,879.63/32,915.16
  6. Step 6: Final answer
    x = 25,888.25

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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.