Home / 23,345.88-32,220.08-13,275.84

Finding the Fourth Proportional to 23,345.88, 32,220.08 and 13,275.84

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Solution

The fourth proportional to 23,345.88, 32,220.08 and 13,275.84 is: 18,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.88 : 32,220.08 = 13,275.84 : x
  2. Step 2: Convert to fraction form
    23,345.88/32,220.08 = 13,275.84/x
  3. Step 3: Cross multiply
    23,345.88x = 32,220.08 × 13,275.84
  4. Step 4: Simplify right side
    23,345.88x = 427,748,603.55
  5. Step 5: Solve for x
    x = 427,748,603.55/23,345.88
  6. Step 6: Final answer
    x = 18,322.23

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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.