Home / 14,228.16-19,611.36-9,510.72

Finding the Fourth Proportional to 14,228.16, 19,611.36 and 9,510.72

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Solution

The fourth proportional to 14,228.16, 19,611.36 and 9,510.72 is: 13,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.16 : 19,611.36 = 9,510.72 : x
  2. Step 2: Convert to fraction form
    14,228.16/19,611.36 = 9,510.72/x
  3. Step 3: Cross multiply
    14,228.16x = 19,611.36 × 9,510.72
  4. Step 4: Simplify right side
    14,228.16x = 186,518,153.78
  5. Step 5: Solve for x
    x = 186,518,153.78/14,228.16
  6. Step 6: Final answer
    x = 13,109.08

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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.