Home / 14,386.60-21,547.50-7,368.76

Finding the Fourth Proportional to 14,386.60, 21,547.50 and 7,368.76

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Solution

The fourth proportional to 14,386.60, 21,547.50 and 7,368.76 is: 11,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.60 : 21,547.50 = 7,368.76 : x
  2. Step 2: Convert to fraction form
    14,386.60/21,547.50 = 7,368.76/x
  3. Step 3: Cross multiply
    14,386.60x = 21,547.50 × 7,368.76
  4. Step 4: Simplify right side
    14,386.60x = 158,778,356.10
  5. Step 5: Solve for x
    x = 158,778,356.10/14,386.60
  6. Step 6: Final answer
    x = 11,036.54

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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.