Home / 14,457.60-21,682.08-7,528.32

Finding the Fourth Proportional to 14,457.60, 21,682.08 and 7,528.32

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Solution

The fourth proportional to 14,457.60, 21,682.08 and 7,528.32 is: 11,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.60 : 21,682.08 = 7,528.32 : x
  2. Step 2: Convert to fraction form
    14,457.60/21,682.08 = 7,528.32/x
  3. Step 3: Cross multiply
    14,457.60x = 21,682.08 × 7,528.32
  4. Step 4: Simplify right side
    14,457.60x = 163,229,636.51
  5. Step 5: Solve for x
    x = 163,229,636.51/14,457.60
  6. Step 6: Final answer
    x = 11,290.23

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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.