Home / 14,459.04-21,688.56-7,547.04

Finding the Fourth Proportional to 14,459.04, 21,688.56 and 7,547.04

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Solution

The fourth proportional to 14,459.04, 21,688.56 and 7,547.04 is: 11,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.04 : 21,688.56 = 7,547.04 : x
  2. Step 2: Convert to fraction form
    14,459.04/21,688.56 = 7,547.04/x
  3. Step 3: Cross multiply
    14,459.04x = 21,688.56 × 7,547.04
  4. Step 4: Simplify right side
    14,459.04x = 163,684,429.86
  5. Step 5: Solve for x
    x = 163,684,429.86/14,459.04
  6. Step 6: Final answer
    x = 11,320.56

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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.