Home / 14,681.16-20,263.68-9,017.28

Finding the Fourth Proportional to 14,681.16, 20,263.68 and 9,017.28

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Solution

The fourth proportional to 14,681.16, 20,263.68 and 9,017.28 is: 12,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.16 : 20,263.68 = 9,017.28 : x
  2. Step 2: Convert to fraction form
    14,681.16/20,263.68 = 9,017.28/x
  3. Step 3: Cross multiply
    14,681.16x = 20,263.68 × 9,017.28
  4. Step 4: Simplify right side
    14,681.16x = 182,723,276.39
  5. Step 5: Solve for x
    x = 182,723,276.39/14,681.16
  6. Step 6: Final answer
    x = 12,446.11

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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.