Home / 15,812.39-23,718.59-4,125.51

Finding the Fourth Proportional to 15,812.39, 23,718.59 and 4,125.51

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Solution

The fourth proportional to 15,812.39, 23,718.59 and 4,125.51 is: 6,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.39 : 23,718.59 = 4,125.51 : x
  2. Step 2: Convert to fraction form
    15,812.39/23,718.59 = 4,125.51/x
  3. Step 3: Cross multiply
    15,812.39x = 23,718.59 × 4,125.51
  4. Step 4: Simplify right side
    15,812.39x = 97,851,275.07
  5. Step 5: Solve for x
    x = 97,851,275.07/15,812.39
  6. Step 6: Final answer
    x = 6,188.27

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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.