Home / 14,017.79-19,344.45-7,730.16

Finding the Fourth Proportional to 14,017.79, 19,344.45 and 7,730.16

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Solution

The fourth proportional to 14,017.79, 19,344.45 and 7,730.16 is: 10,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.79 : 19,344.45 = 7,730.16 : x
  2. Step 2: Convert to fraction form
    14,017.79/19,344.45 = 7,730.16/x
  3. Step 3: Cross multiply
    14,017.79x = 19,344.45 × 7,730.16
  4. Step 4: Simplify right side
    14,017.79x = 149,535,693.61
  5. Step 5: Solve for x
    x = 149,535,693.61/14,017.79
  6. Step 6: Final answer
    x = 10,667.57

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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.