Home / 14,886.80-20,547.24-8,601.20

Finding the Fourth Proportional to 14,886.80, 20,547.24 and 8,601.20

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Solution

The fourth proportional to 14,886.80, 20,547.24 and 8,601.20 is: 11,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.80 : 20,547.24 = 8,601.20 : x
  2. Step 2: Convert to fraction form
    14,886.80/20,547.24 = 8,601.20/x
  3. Step 3: Cross multiply
    14,886.80x = 20,547.24 × 8,601.20
  4. Step 4: Simplify right side
    14,886.80x = 176,730,920.69
  5. Step 5: Solve for x
    x = 176,730,920.69/14,886.80
  6. Step 6: Final answer
    x = 11,871.65

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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.