Home / 14,875.68-20,549.80-11,887.60

Finding the Fourth Proportional to 14,875.68, 20,549.80 and 11,887.60

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Solution

The fourth proportional to 14,875.68, 20,549.80 and 11,887.60 is: 16,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.68 : 20,549.80 = 11,887.60 : x
  2. Step 2: Convert to fraction form
    14,875.68/20,549.80 = 11,887.60/x
  3. Step 3: Cross multiply
    14,875.68x = 20,549.80 × 11,887.60
  4. Step 4: Simplify right side
    14,875.68x = 244,287,802.48
  5. Step 5: Solve for x
    x = 244,287,802.48/14,875.68
  6. Step 6: Final answer
    x = 16,421.96

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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.