Home / 14,758.34-20,373.89-9,386.18

Finding the Fourth Proportional to 14,758.34, 20,373.89 and 9,386.18

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Solution

The fourth proportional to 14,758.34, 20,373.89 and 9,386.18 is: 12,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.34 : 20,373.89 = 9,386.18 : x
  2. Step 2: Convert to fraction form
    14,758.34/20,373.89 = 9,386.18/x
  3. Step 3: Cross multiply
    14,758.34x = 20,373.89 × 9,386.18
  4. Step 4: Simplify right side
    14,758.34x = 191,232,998.84
  5. Step 5: Solve for x
    x = 191,232,998.84/14,758.34
  6. Step 6: Final answer
    x = 12,957.62

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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.