Home / 14,937.81-22,420.57-7,547.47

Finding the Fourth Proportional to 14,937.81, 22,420.57 and 7,547.47

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Solution

The fourth proportional to 14,937.81, 22,420.57 and 7,547.47 is: 11,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.81 : 22,420.57 = 7,547.47 : x
  2. Step 2: Convert to fraction form
    14,937.81/22,420.57 = 7,547.47/x
  3. Step 3: Cross multiply
    14,937.81x = 22,420.57 × 7,547.47
  4. Step 4: Simplify right side
    14,937.81x = 169,218,504.54
  5. Step 5: Solve for x
    x = 169,218,504.54/14,937.81
  6. Step 6: Final answer
    x = 11,328.20

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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.