Home / 14,782.35-20,386.38-9,476.16

Finding the Fourth Proportional to 14,782.35, 20,386.38 and 9,476.16

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Solution

The fourth proportional to 14,782.35, 20,386.38 and 9,476.16 is: 13,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.35 : 20,386.38 = 9,476.16 : x
  2. Step 2: Convert to fraction form
    14,782.35/20,386.38 = 9,476.16/x
  3. Step 3: Cross multiply
    14,782.35x = 20,386.38 × 9,476.16
  4. Step 4: Simplify right side
    14,782.35x = 193,184,598.70
  5. Step 5: Solve for x
    x = 193,184,598.70/14,782.35
  6. Step 6: Final answer
    x = 13,068.60

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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.