Home / 21,601.32-29,798.45-14,875.29

Finding the Fourth Proportional to 21,601.32, 29,798.45 and 14,875.29

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Solution

The fourth proportional to 21,601.32, 29,798.45 and 14,875.29 is: 20,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.32 : 29,798.45 = 14,875.29 : x
  2. Step 2: Convert to fraction form
    21,601.32/29,798.45 = 14,875.29/x
  3. Step 3: Cross multiply
    21,601.32x = 29,798.45 × 14,875.29
  4. Step 4: Simplify right side
    21,601.32x = 443,260,510.92
  5. Step 5: Solve for x
    x = 443,260,510.92/21,601.32
  6. Step 6: Final answer
    x = 20,520.07

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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.