Home / 14,386.56-19,852.10-10,611.78

Finding the Fourth Proportional to 14,386.56, 19,852.10 and 10,611.78

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Solution

The fourth proportional to 14,386.56, 19,852.10 and 10,611.78 is: 14,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.56 : 19,852.10 = 10,611.78 : x
  2. Step 2: Convert to fraction form
    14,386.56/19,852.10 = 10,611.78/x
  3. Step 3: Cross multiply
    14,386.56x = 19,852.10 × 10,611.78
  4. Step 4: Simplify right side
    14,386.56x = 210,666,117.74
  5. Step 5: Solve for x
    x = 210,666,117.74/14,386.56
  6. Step 6: Final answer
    x = 14,643.26

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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.