Home / 14,417.68-21,587.43-7,477.60

Finding the Fourth Proportional to 14,417.68, 21,587.43 and 7,477.60

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Solution

The fourth proportional to 14,417.68, 21,587.43 and 7,477.60 is: 11,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.68 : 21,587.43 = 7,477.60 : x
  2. Step 2: Convert to fraction form
    14,417.68/21,587.43 = 7,477.60/x
  3. Step 3: Cross multiply
    14,417.68x = 21,587.43 × 7,477.60
  4. Step 4: Simplify right side
    14,417.68x = 161,422,166.57
  5. Step 5: Solve for x
    x = 161,422,166.57/14,417.68
  6. Step 6: Final answer
    x = 11,196.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.