Home / 14,728.40-22,056.15-9,455.30

Finding the Fourth Proportional to 14,728.40, 22,056.15 and 9,455.30

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Solution

The fourth proportional to 14,728.40, 22,056.15 and 9,455.30 is: 14,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.40 : 22,056.15 = 9,455.30 : x
  2. Step 2: Convert to fraction form
    14,728.40/22,056.15 = 9,455.30/x
  3. Step 3: Cross multiply
    14,728.40x = 22,056.15 × 9,455.30
  4. Step 4: Simplify right side
    14,728.40x = 208,547,515.10
  5. Step 5: Solve for x
    x = 208,547,515.10/14,728.40
  6. Step 6: Final answer
    x = 14,159.55

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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.