Home / 14,696.56-20,298.36-12,315.16

Finding the Fourth Proportional to 14,696.56, 20,298.36 and 12,315.16

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Solution

The fourth proportional to 14,696.56, 20,298.36 and 12,315.16 is: 17,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.56 : 20,298.36 = 12,315.16 : x
  2. Step 2: Convert to fraction form
    14,696.56/20,298.36 = 12,315.16/x
  3. Step 3: Cross multiply
    14,696.56x = 20,298.36 × 12,315.16
  4. Step 4: Simplify right side
    14,696.56x = 249,977,551.14
  5. Step 5: Solve for x
    x = 249,977,551.14/14,696.56
  6. Step 6: Final answer
    x = 17,009.26

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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.