Home / 16,957.02-23,402.08-9,405.72

Finding the Fourth Proportional to 16,957.02, 23,402.08 and 9,405.72

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Solution

The fourth proportional to 16,957.02, 23,402.08 and 9,405.72 is: 12,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.02 : 23,402.08 = 9,405.72 : x
  2. Step 2: Convert to fraction form
    16,957.02/23,402.08 = 9,405.72/x
  3. Step 3: Cross multiply
    16,957.02x = 23,402.08 × 9,405.72
  4. Step 4: Simplify right side
    16,957.02x = 220,113,411.90
  5. Step 5: Solve for x
    x = 220,113,411.90/16,957.02
  6. Step 6: Final answer
    x = 12,980.67

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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.