Home / 14,875.92-20,529.72-9,831.29

Finding the Fourth Proportional to 14,875.92, 20,529.72 and 9,831.29

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Solution

The fourth proportional to 14,875.92, 20,529.72 and 9,831.29 is: 13,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.92 : 20,529.72 = 9,831.29 : x
  2. Step 2: Convert to fraction form
    14,875.92/20,529.72 = 9,831.29/x
  3. Step 3: Cross multiply
    14,875.92x = 20,529.72 × 9,831.29
  4. Step 4: Simplify right side
    14,875.92x = 201,833,528.29
  5. Step 5: Solve for x
    x = 201,833,528.29/14,875.92
  6. Step 6: Final answer
    x = 13,567.80

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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.