Home / 14,870.60-20,525.82-8,587.16

Finding the Fourth Proportional to 14,870.60, 20,525.82 and 8,587.16

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Solution

The fourth proportional to 14,870.60, 20,525.82 and 8,587.16 is: 11,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.60 : 20,525.82 = 8,587.16 : x
  2. Step 2: Convert to fraction form
    14,870.60/20,525.82 = 8,587.16/x
  3. Step 3: Cross multiply
    14,870.60x = 20,525.82 × 8,587.16
  4. Step 4: Simplify right side
    14,870.60x = 176,258,500.47
  5. Step 5: Solve for x
    x = 176,258,500.47/14,870.60
  6. Step 6: Final answer
    x = 11,852.82

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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.