Home / 15,830.13-23,746.51-4,143.32

Finding the Fourth Proportional to 15,830.13, 23,746.51 and 4,143.32

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Solution

The fourth proportional to 15,830.13, 23,746.51 and 4,143.32 is: 6,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.13 : 23,746.51 = 4,143.32 : x
  2. Step 2: Convert to fraction form
    15,830.13/23,746.51 = 4,143.32/x
  3. Step 3: Cross multiply
    15,830.13x = 23,746.51 × 4,143.32
  4. Step 4: Simplify right side
    15,830.13x = 98,389,271.08
  5. Step 5: Solve for x
    x = 98,389,271.08/15,830.13
  6. Step 6: Final answer
    x = 6,215.32

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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.