Home / 22,312.02-30,822.63-17,829.90

Finding the Fourth Proportional to 22,312.02, 30,822.63 and 17,829.90

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Solution

The fourth proportional to 22,312.02, 30,822.63 and 17,829.90 is: 24,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.02 : 30,822.63 = 17,829.90 : x
  2. Step 2: Convert to fraction form
    22,312.02/30,822.63 = 17,829.90/x
  3. Step 3: Cross multiply
    22,312.02x = 30,822.63 × 17,829.90
  4. Step 4: Simplify right side
    22,312.02x = 549,564,410.64
  5. Step 5: Solve for x
    x = 549,564,410.64/22,312.02
  6. Step 6: Final answer
    x = 24,630.87

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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.