Home / 15,701.40-23,552.10-6,931.80

Finding the Fourth Proportional to 15,701.40, 23,552.10 and 6,931.80

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Solution

The fourth proportional to 15,701.40, 23,552.10 and 6,931.80 is: 10,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.40 : 23,552.10 = 6,931.80 : x
  2. Step 2: Convert to fraction form
    15,701.40/23,552.10 = 6,931.80/x
  3. Step 3: Cross multiply
    15,701.40x = 23,552.10 × 6,931.80
  4. Step 4: Simplify right side
    15,701.40x = 163,258,446.78
  5. Step 5: Solve for x
    x = 163,258,446.78/15,701.40
  6. Step 6: Final answer
    x = 10,397.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.