Home / 23,570.84-32,528.40-12,960.76

Finding the Fourth Proportional to 23,570.84, 32,528.40 and 12,960.76

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Solution

The fourth proportional to 23,570.84, 32,528.40 and 12,960.76 is: 17,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,570.84 : 32,528.40 = 12,960.76 : x
  2. Step 2: Convert to fraction form
    23,570.84/32,528.40 = 12,960.76/x
  3. Step 3: Cross multiply
    23,570.84x = 32,528.40 × 12,960.76
  4. Step 4: Simplify right side
    23,570.84x = 421,592,785.58
  5. Step 5: Solve for x
    x = 421,592,785.58/23,570.84
  6. Step 6: Final answer
    x = 17,886.20

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Half scale
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Double scale
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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.